Question Detail

PHY 102 Electromagnetic Induction 2 Objective Question
Take CBT

Question

What is Self Induction?
Options
A The process where a change in current in one coil induces an emf in a nearby coil.
B The phenomenon where a change in current or magnetic flux in a coil produces an opposed induced electromotive force in the <i>same</i> coil.
Correct Answer
C The ability of a material to become magnetized when placed in a magnetic field.
D The generation of a static electric field around a charged conductor.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 33 defines Self Induction: 'When there is a change in the current or magnetic flux of the coil, an opposed induced electromotive force is produced. This phenomenon is termed as Self Induction.' The diagram on page 32 also illustrates this, showing that changing current in a coil produces EMF in the same coil.

Hint

The key is whether the induction occurs within the same coil or a different one.

Question Info

Course: PHY 102
Topic: Electromagnetic Induction 2
Type: Objective
Difficulty: Not specified
Question 737 of 1819
Previous Course Details Next