Objective Questions
All objective questions for PHY 102
Questions (1819)
| # | Question | Topic | Actions |
|---|---|---|---|
| 801 |
The flux linking a coil changes from 5.0 x 10-4 Wb to 2.2 x 10-…
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Test Compilation PHY 102 10 | View |
| 802 |
The force on a charged particle depends on which of the following factors?
… |
Test Compilation PHY 102 10 | View |
| 803 |
Which of the following is not true with respect to semiconductors?
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Test Compilation PHY 102 10 | View |
| 804 |
The electric field everywhere on the surface of a hollow sphere of radius 6cm i…
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Test Compilation PHY 102 10 | View |
| 805 |
Which of the following is true about p-n junction diode?
i. Forward bias cur… |
Test Compilation PHY 102 10 | View |
| 806 |
Which of the following is not true about doping of semiconductor?
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Test Compilation PHY 102 10 | View |
| 807 |
A pulse of sound is produced at the bottom of a boat. The sound travels through…
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Test Compilation PHY 102 27 | View |
| 808 |
In a shallow tank, a water wave moves through a barrier with a narrow gap. The …
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Test Compilation PHY 102 27 | View |
| 809 |
Three resistors (2 Ohms, 4 Ohms, 5 Ohms) are connected in parallel with a poten…
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Test Compilation PHY 102 10 | View |
| 810 |
When a source of dim orange light shines on a photosensitive metal, no photoele…
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Test Compilation PHY 102 28 | View |
| 811 |
The counting rate from a radioactive source is 8000 counts/s at time t=0, and 1…
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Test Compilation PHY 102 28 | View |
| 812 |
Evaluate the wavelength of the photon emitted as an electron falls from the 7th…
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Test Compilation PHY 102 28 | View |
| 813 |
The work function of platinum is twice that of calcium. If the minimum photon e…
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Test Compilation PHY 102 28 | View |
| 814 |
What is the cut-off frequency of radiation that can eject photoelectrons from s…
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Test Compilation PHY 102 28 | View |
| 815 |
A radioactive substance has a half-life of 2 weeks. At the beginning of an inve…
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Test Compilation PHY 102 28 | View |
| 816 |
The threshold wavelength of photoelectric emission of a metal is 4000 Angstroms…
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Test Compilation PHY 102 28 | View |
| 817 |
The half-life of a substance is 24 years; find the amount of the substance left…
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Test Compilation PHY 102 28 | View |
| 818 |
A radioactive source has a half-life of 1 minute. At time t=0 it is placed near…
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Test Compilation PHY 102 28 | View |
| 819 |
Hydrogen is an element with one proton. It has three different isotopes. Which …
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Test Compilation PHY 102 28 | View |
| 820 |
In case the charges are similar, the force is of:
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Test Compilation PHY 102 28 | View |
| 821 |
Can magnetic flux lines be seen?
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Test Compilation PHY 102 28 | View |
| 822 |
Calculate the efficiency of a motor of 240V that requires 12A to lift a 600kg l…
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Test Compilation PHY 102 28 | View |
| 823 |
A ray of light travels through transparent plastic to air. The ray of light ent…
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Test Compilation PHY 102 28 | View |
| 824 |
Unravelling (unwinding) an electromagnet's coil gives
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Test Compilation PHY 102 28 | View |
| 825 |
Which of the following is true about a p-n junction diode?
i. Forward bias… |
Test Compilation PHY 102 10 | View |
| 826 |
The direction of conventional current is:
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Test Compilation PHY 102 10 | View |
| 827 |
Which of the following statements is CORRECT?
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Test Compilation PHY 102 10 | View |
| 828 |
The mass of a charge-bearing oil droplet in Millikan's apparatus is 10-5
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Test Compilation PHY 102 10 | View |
| 829 |
Three charges q1 = 1mC, q2 = 5mC, and q3 = 9mC are arranged on a line with q2 a…
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Test Compilation PHY 102 10 | View |
| 830 |
A galvanometer of 50 Ω gives full scale deflection with 2 mA current. To…
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Test Compilation PHY 102 10 | View |
| 831 |
A light bulb has an input power consumption of 50 watts. The light bulb was act…
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Test Compilation PHY 102 10 | View |
| 832 |
An inductor, L = 0.5H, in series with a resistor, R = 250Ω, are connecte…
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Test Compilation PHY 102 10 | View |
| 833 |
A transformer assumed to be 100% efficient has 2500 turns at the primary and 50…
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Test Compilation PHY 102 10 | View |
| 834 |
If electrons flow from the earth to a body, the body is said to have:
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Test Compilation PHY 102 10 | View |
| 835 |
The force on a charged particle depends on which of the following factors?
i… |
Test Compilation PHY 102 10 | View |
| 836 |
The strength of a semiconductor crystal comes from:
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Test Compilation PHY 102 10 | View |
| 837 |
A small object carrying a charge of 5 x 10-9 C experiences a downwar…
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Test Compilation PHY 102 11 | View |
| 838 |
When a battery, a resistor, a switch, and an inductor form a circuit, and the s…
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Test Compilation PHY 102 11 | View |
| 839 |
The power dissipated by a 72 Ω resistor connected to sinusoidal a.c. source is …
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Test Compilation PHY 102 11 | View |
| 840 |
Ohm's law can be used only to a _________ circuit or component
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Test Compilation PHY 102 11 | View |
| 841 |
Which of the following is true about intrinsic semiconductor?
i. Each semic… |
Test Compilation PHY 102 11 | View |
| 842 |
An alternating voltage whose peak value is 80 volts is connected across a 60 oh…
|
Test Compilation PHY 102 11 | View |
| 843 |
_________ is used for measuring potential difference.
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Test Compilation PHY 102 11 | View |
| 844 |
Calculate the force on a wire of length 5cm carrying a current of 30A if it is …
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Test Compilation PHY 102 11 | View |
| 845 |
The constant k, which appears in Coulomb's law formula, is equivalent dimension…
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Test Compilation PHY 102 11 | View |
| 846 |
Magnetic lines of force have all but one of the following characteristics. The …
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Test Compilation PHY 102 11 | View |
| 847 |
KCL is applied at ...............
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Test Compilation PHY 102 11 | View |
| 848 |
In intrinsic semiconductors at room temperature, the number of electrons and ho…
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Test Compilation PHY 102 11 | View |
| 849 |
Calculate the total resistance between the points A and B as shown in the circu…
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Test Compilation PHY 102 11 | View |
| 850 |
Ohm's law can be used only to a ________ circuit or component.
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Test Compilation PHY 102 11 | View |
| 851 |
Which of the following is true about intrinsic semiconductor?
i. Each semi… |
Test Compilation PHY 102 11 | View |
| 852 |
An alternating voltage whose peak value is 80 volts is connected across a 60 oh…
|
Test Compilation PHY 102 11 | View |
| 853 |
___________ is used for measuring potential difference.
|
Test Compilation PHY 102 11 | View |
| 854 |
The battery connection required to forward bias PN junction are
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Test Compilation PHY 102 11 | View |
| 855 |
A parallel plate air capacitor is made of 0.2 m square tin plates and 1 cm apar…
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Test Compilation PHY 102 11 | View |
| 856 |
Calculate the total resistance between the points A and B, given the following …
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Test Compilation PHY 102 11 | View |
| 857 |
Which of the following is not true about doping of semiconductors?
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Test Compilation PHY 102 11 | View |
| 858 |
The power dissipated by a 72 Ω resistor connected to a sinusoidal a.c. source i…
|
Test Compilation PHY 102 11 | View |
| 859 |
Ohm's law can be used only to a _______ circuit or component.
|
Test Compilation PHY 102 11 | View |
| 860 |
Which of the following is true about intrinsic semiconductors?
i. Each semi… |
Test Compilation PHY 102 11 | View |
| 861 |
An alternating voltage whose peak value is 80 volts is connected across a 60 oh…
|
Test Compilation PHY 102 11 | View |
| 862 |
The battery connection required to forward bias a PN junction is:
|
Test Compilation PHY 102 11 | View |
| 863 |
Magnetic lines of force have all but one of the following characteristics. The …
|
Test Compilation PHY 102 11 | View |
| 864 |
KCL (Kirchhoff's Current Law) is applied at __________.
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Test Compilation PHY 102 11 | View |
| 865 |
In intrinsic semiconductors at room temperature, the number of electrons and ho…
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Test Compilation PHY 102 11 | View |
| 866 |
A small object carrying a charge of 5 x 10⁻⁹ C experiences a downward force of …
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Test Compilation PHY 102 11 | View |
| 867 |
The derived unit Tesla is related to which of the following base units?
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Test Compilation PHY 102 11 | View |
| 868 |
Which of the following statements is NOT true about doping of semiconductors?
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Test Compilation PHY 102 11 | View |
| 869 |
Ohm's law can be used only to a _________ circuit or component.
|
Test Compilation PHY 102 11 | View |
| 870 |
Which of the following is true about intrinsic semiconductor?
i. Each semico… |
Test Compilation PHY 102 11 | View |
| 871 |
An alternating voltage whose peak value is 80 volts is connected across a 60 oh…
|
Test Compilation PHY 102 11 | View |
| 872 |
Calculate the force on a wire of length 5 cm carrying a current of 30 A if it i…
|
Test Compilation PHY 102 11 | View |
| 873 |
The constant k, which appears in Coulomb's law formula (F = k * q1*q2 / r^2), i…
|
Test Compilation PHY 102 11 | View |
| 874 |
KCL (Kirchhoff's Current Law) is applied at _________.
|
Test Compilation PHY 102 11 | View |
| 875 |
The phenomenon of producing an induced emf with the aid of a magnetic field is …
|
Test Compilation PHY 102 11 | View |
| 876 |
In intrinsic semiconductors at room temperature, the number of electrons and ho…
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Test Compilation PHY 102 11 | View |
| 877 |
Which of the following is true about an electric dipole?
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Test Compilation PHY 102 11 | View |
| 878 |
A small object carrying a charge of 5 x 10^-9 C experiences a downward force of…
|
Test Compilation PHY 102 12 | View |
| 879 |
Calculate the total resistance between the points A and B. (The circuit shows a…
|
Test Compilation PHY 102 12 | View |
| 880 |
Which of the following is not true about doping of semiconductor?
|
Test Compilation PHY 102 12 | View |
| 881 |
Ohm's law can be used only to a ________ circuit or component
|
Test Compilation PHY 102 12 | View |
| 882 |
Which of the following is true about intrinsic semiconductor?
i. Each semic… |
Test Compilation PHY 102 12 | View |
| 883 |
The constant ke, which appears in Coulomb's law formula, is equivale…
|
Test Compilation PHY 102 12 | View |
| 884 |
KCL is applied at ....................
|
Test Compilation PHY 102 12 | View |
| 885 |
Calculate the total resistance between the points A and B for the circuit shown…
|
Test Compilation PHY 102 12 | View |
| 886 |
Which of the following is true about intrinsic semiconductor?
i. Each semic… |
Test Compilation PHY 102 12 | View |
| 887 |
________ is used for measuring potential difference.
|
Test Compilation PHY 102 12 | View |
| 888 |
The battery connection required to forward bias a PN junction are:
|
Test Compilation PHY 102 12 | View |
| 889 |
KCL is applied at ........................
|
Test Compilation PHY 102 12 | View |
| 890 |
Ohm's law can be used only to a ______ circuit or component.
|
Test Compilation PHY 102 12 | View |
| 891 |
Which of the following is true about electric dipole:
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Test Compilation PHY 102 12 | View |
| 892 |
What is the magnitude of a point charge whose electric field 50 cm away has mag…
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Test Compilation PHY 102 12 | View |
| 893 |
Determine the electric flux emerging from a circular surface of radius 0.025m i…
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Test Compilation PHY 102 12 | View |
| 894 |
A 3.0 mF and a 13.0 mF capacitor are connected in series, and the series arrang…
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Test Compilation PHY 102 12 | View |
| 895 |
Calculate the total resistance between the points A and B for the circuit shown…
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Test Compilation PHY 102 12 | View |
| 896 |
The phenomenon of producing an induced emf with the aid of a magnetic field is …
|
Test Compilation PHY 102 12 | View |
| 897 |
In intrinsic semiconductors at room temperature, the number of electrons and ho…
|
Test Compilation PHY 102 12 | View |
| 898 |
The process by which an emf and hence current is generated or induced in a cond…
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Test Compilation PHY 102 14 | View |
| 899 |
The electric field associated with a uniformly charged hollow metallic sphere i…
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Test Compilation PHY 102 14 | View |
| 900 |
In a parallel-plate capacitor, the distance d between the plates is 3cm, the ar…
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Test Compilation PHY 102 14 | View |