Objective Questions

Questions (1819)

#	Question	Topic	Actions
1701	What is the daughter nucleus formed when Uranium-238 undergoes alpha decay?	Test Compilation PHY 102 18	View
1702	Calculate the de-Broglie wavelength of an electron which has been accelerated f…	Test Compilation PHY 102 19	View
1703	The rate of change of potential with respect to the distance is called as?	Test Compilation PHY 102 19	View
1704	A block of semiconductor material that is 1mm in transverse width has a magneti…	Test Compilation PHY 102 19	View
1705	In the energy band of an N-type semiconductor doped with Phosphorus, the donor …	Test Compilation PHY 102 19	View
1706	Which of the following expressions equals the magnetic flux?	Test Compilation PHY 102 19	View
1707	Suppose you have a uniform electric field within a parallel plate capacitor wit…	Test Compilation PHY 102 19	View
1708	A resistor, 100Ω, is connected to an a.c. source given as v = 350sin(ωt). If ω …	Test Compilation PHY 102 19	View
1709	Given that the maximum electric field dry air can support is 3×10⁶V/m before it…	Test Compilation PHY 102 19	View
1710	Find the magnitude of two equal charges if they repel each other with a force o…	Test Compilation PHY 102 19	View
1711	Find the electric field intensity at a distance of 20cm from a charge of 2nC.	Test Compilation PHY 102 19	View
1712	One kilowatt hour of electrical energy is the same as	Test Compilation PHY 102 19	View
1713	Which of the following circuit elements stores energy in an electromagnetic fie…	Test Compilation PHY 102 19	View
1714	Arrange the fundamental forces in order of increasing strength.	Test Compilation PHY 102 19	View
1715	For which of the following substances does resistance decrease with increasing …	Test Compilation PHY 102 19	View
1716	Determine the force on an electron of charge 1.6×10⁻¹⁹C which is placed in a un…	Test Compilation PHY 102 19	View
1717	What is the electric field at a point P which is 30cm to the right of a point c…	Test Compilation PHY 102 19	View
1718	Two wires — A and B — with circular cross-sections have identical lengths and a…	Test Compilation PHY 102 19	View
1719	A galvanometer has spring constant 'k', a magnetic field 'B' and deflection ang…	Test Compilation PHY 102 19	View
1720	Find the total flux (in N·m²/C) when two charges q1 = 15μC and q2 = -17μC are p…	Test Compilation PHY 102 19	View
1721	In order to increase the range of an ammeter, the value of the shunt resistance…	Test Compilation PHY 102 19	View
1722	The strength of a magnetic field is known as .......	Test Compilation PHY 102 19	View
1723	In a series circuit, which of the parameters remains constant across all circui…	Test Compilation PHY 102 19	View
1724	Force per meter on two wires carrying a current of 1A each, placed 1m apart, is…	Test Compilation PHY 102 19	View
1725	When a charge is accelerated through a potential difference of 500V, its kineti…	Test Compilation PHY 102 19	View
1726	Which of the following statements about semiconductors is TRUE?	Test Compilation PHY 102 19	View
1727	If two charges are similar (same sign), then Coulomb's law implies that the for…	Test Compilation PHY 102 19	View
1728	What change in potential energy does a 4μC charge experience when it moves betw…	Test Compilation PHY 102 19	View
1729	The total number of magnetic field lines passing through an area is termed as?	Test Compilation PHY 102 19	View
1730	When a small amount of phosphorus atoms is added to silicon, ...	Test Compilation PHY 102 19	View
1731	If the distance between two point charges is doubled, the force between them de…	Test Compilation PHY 102 19	View
1732	In an RLC circuit, which of the following is always used as a vector reference?	Test Compilation PHY 102 19	View
1733	The electric field everywhere on the surface of a hollow sphere of radius 6cm i…	Test Compilation PHY 102 19	View
1734	Two resistances R1 and R2 give a combined resistance of 4.5Ω when in series and…	Test Compilation PHY 102 19	View
1735	The earth is taken to be at a potential of?	Test Compilation PHY 102 19	View
1736	Two capacitors are identical except that one is filled with air and the other w…	Test Compilation PHY 102 19	View
1737	The electric flux emerging from a rectangular surface of area 0.025m² is 10 N·m…	Test Compilation PHY 102 19	View
1738	Electric field is a?	Test Compilation PHY 102 19	View
1739	A wire of resistance 2Ω is stretched uniformly to twice its original length. Wh…	Test Compilation PHY 102 19	View
1740	Energy stored in a capacitor can be expressed as:	Test Compilation PHY 102 19	View
1741	A current of 3A flows through a metre-length conductor. Calculate the force exp…	Test Compilation PHY 102 19	View
1742	The electric flux through a surface will be minimum when the angle between E an…	Test Compilation PHY 102 19	View
1743	A thin uncharged conducting spherical shell has a charge q carefully placed at …	Test Compilation PHY 102 19	View
1744	Which of the following is/are correct about static electricity? It is a branch …	Test Compilation PHY 102 20	View
1745	Two charges of equal magnitude exert an attractive force of 6 x 10-3 N on each …	Test Compilation PHY 102 20	View
1746	Two charges q = 15 uC and q1 = 17 uC are within a spherical surface of radius 2…	Test Compilation PHY 102 20	View
1747	Which of the following is the correct unit of Coulomb's constant?	Test Compilation PHY 102 20	View
1748	Two point charges (-25 uC and +50 uC) are 10 cm apart. Find the electric field …	Test Compilation PHY 102 20	View
1749	Two charged spheres repel with a force of 27.0x10-5 N when 0.1 m apart. Their t…	Test Compilation PHY 102 20	View
1750	Are the two charges q1 and q2 (shown in a referenced figure) equal in magnitude…	Test Compilation PHY 102 20	View
1751	Two equal charges repel each other with a force of 0.1 N when placed 50 cm apar…	Test Compilation PHY 102 20	View
1752	How many excess electrons must be placed on two spheres 3 cm apart to produce a…	Test Compilation PHY 102 20	View
1753	Determine the value of two equal charges if they repel each other with a force …	Test Compilation PHY 102 20	View
1754	Two charges Q1 = 500 uC and Q2 = 100 uC are located on the xy-plane at position…	Test Compilation PHY 102 20	View
1755	From Coulomb's law, what will be the slope of the graph of log F vs log r?	Test Compilation PHY 102 20	View
1756	How many excess electrons must be placed on each of two small spheres spaced 3 …	Test Compilation PHY 102 20	View
1757	The force between two charges in vacuum is 0.24 N. If the medium is suddenly ch…	Test Compilation PHY 102 20	View
1758	Three point charges lie along the x-axis. The positive charge q1 = 15.0 uC is a…	Test Compilation PHY 102 20	View
1759	Two charges feel a repulsive force of 96 N. What is the force if the separation…	Test Compilation PHY 102 20	View
1760	A -2.3x10-6 C charge exerts a repulsive force of magnitude 0.35 N on an unknown…	Test Compilation PHY 102 20	View
1761	Which is/are correct about Coulomb's law? i. For similar charges, force is posi…	Test Compilation PHY 102 20	View
1762	Which of the following is correct about Coulomb's law? I. The bodies were small…	Test Compilation PHY 102 20	View
1763	How far apart are two charges, one of magnitude 3 uC and the other 5 uC, if the…	Test Compilation PHY 102 20	View
1764	Some of the characteristics of lines of force include: i. they do not intersect…	Test Compilation PHY 102 20	View
1765	A small object carrying a charge of 5x10-9 C experiences a downward force of 20…	Test Compilation PHY 102 20	View
1766	The direction of field at any point can be determined by drawing a:	Test Compilation PHY 102 20	View
1767	Determine the surface charge density on a sphere with radius R = 5 cm and charg…	Test Compilation PHY 102 20	View
1768	Which statement is TRUE?	Test Compilation PHY 102 20	View
1769	Which of the following statements is NOT true of electric fields?	Test Compilation PHY 102 20	View
1770	The direction of electric field strength at any point is:	Test Compilation PHY 102 20	View
1771	Out of the following statements concerning an electric field, which is NOT true?	Test Compilation PHY 102 20	View
1772	The electric intensity due to a positive point charge is always directed:	Test Compilation PHY 102 20	View
1773	Which of the following is correct about flux from a point charge? I. It is the …	Test Compilation PHY 102 20	View
1774	What is the S.I. unit for linear charge density?	Test Compilation PHY 102 20	View
1775	Which of the following is/are correct about total flux through a sphere of radi…	Test Compilation PHY 102 20	View
1776	One joule per coulomb is called	Test Compilation PHY 102 20	View
1777	If electrons flow from the earth to a body, the body is said to have:	Test Compilation PHY 102 20	View
1778	The SI unit of electric charge is:	Test Compilation PHY 102 20	View
1779	What is the magnitude of a point charge whose electric field 50 cm away has mag…	Test Compilation PHY 102 20	View
1780	The electrostatic force on a charge in a system:	Test Compilation PHY 102 20	View
1781	The shape of equipotential surface for an infinite line charge is:	Test Compilation PHY 102 20	View
1782	Work done in charging a capacitor is given by:	Test Compilation PHY 102 20	View
1783	A charge q is placed at the centre of a conducting spherical shell. What is the…	Test Compilation PHY 102 20	View
1784	What are you likely to observe when a negatively charged rod is brought near th…	Test Compilation PHY 102 20	View
1785	Which of the following statements is TRUE?	Test Compilation PHY 102 20	View
1786	If current in both conductors is doubled, the force between them becomes	Test Compilation PHY 102 20	View
1787	Which of the following statements describes an example of induced magnetism?	Test Compilation PHY 102 20	View
1788	Which of the following is false?	Test Compilation PHY 102 20	View
1789	Which of the following is/are correct for parallel current-carrying conductors?…	Test Compilation PHY 102 20	View
1790	The quantity (1/2) eps0 E2 has the significance of:	Test Compilation PHY 102 20	View
1791	The weight of a charge-bearing oil droplet (carrying a charge of 10e) in an ele…	Test Compilation PHY 102 20	View
1792	The constant k, which appears in Coulomb's law formula, is dimensionally equiva…	Test Compilation PHY 102 20	View
1793	If the distance between the two point charges is doubled, the force between the…	Test Compilation PHY 102 20	View
1794	Find the value of two equal charges if they repel each other with a force of 0.…	Test Compilation PHY 102 20	View
1795	Which of the following is the correct unit for volume charge density?	Test Compilation PHY 102 20	View
1796	Introducing a non-conducting medium (dielectri	Test Compilation PHY 102 20	View
1797	Find the value of two equal charges that repel each other with a force of 0.5N …	Test Compilation PHY 102 20	View
1798	When a glass rod is rubbed with silk, which of the following statements best de…	Test Compilation PHY 102 20	View
1799	The expression [not shown - refers to an equation/diagram in the original] is a…	Test Compilation PHY 102 20	View
1800	The diagram below shows a positive point charge Q. Which of the following descr…	Test Compilation PHY 102 21	View

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Questions (1819)