Question Detail

PHY 102 Electromagnetic Induction 1 Objective Question
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Question

The document emphasizes that to generate EMF by changing B or moving a loop, 'Nothing is for free!'. What does this imply?
Options
A The process always results in energy loss.
B One must do work to generate the EMF.
Correct Answer
C The EMF generated is always very small.
D It requires expensive equipment.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 24 states: 'Remember we have to do work to move the loop or to change B, to generate the EMF (Nothing is for free!).'

Hint

Consider the law of conservation of energy in the context of generating electricity.

Question Info

Course: PHY 102
Topic: Electromagnetic Induction 1
Type: Objective
Difficulty: Not specified
Question 619 of 1819
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