KP211 Lecture 7: Religion

The terminal voltage across a battery of emf E can be:

1. 0

2. >E

3. <E

4. All the above

If the current in an inductor is doubled, by what factor is the stored energy multiplied?

(a) 4    (b) 2    (c) 1   (d) 1/2    (e) 1/4

If the current in an inductor is doubled, by what factor is the stored energy multiplied?

A. 4

B.2

C.1

D.1/2

E.1/4