Induced Electric Field — Practice Quiz

Question 1

A uniform B(t) inside a cylindrical region of radius 0.1 m increases at 2 T/s. Induced E at r = 0.05 m is:

Accepted Answer

0.05 V/m

Answer

0.5 V/m

Answer

0.1 V/m

Answer

1 V/m

Question 2

Same setup — E at the boundary r = 0.1 m:

Accepted Answer

0.1 V/m

Answer

0.2 V/m

Answer

1 V/m

Answer

0.05 V/m

Question 3

The induced electric field due to a changing magnetic flux is:

Accepted Answer

Non-conservative

Answer

Conservative

Answer

Always zero outside the field region

Answer

Same as the electrostatic field

Question 4

Induced E field lines are:

Accepted Answer

Closed loops around the changing-B region

Answer

Open, ending on charges

Answer

Radial outward

Answer

Spiral inward

Question 5

Outside a cylindrical region of changing B, the induced E:

Accepted Answer

Falls as 1/r

Answer

Is zero

Answer

Falls as 1/r²

Answer

Stays constant