Author Question: Refer to the figure above. Assume the switch in the primary has been closed for a few minutes. Then ... (Read 99 times)

saliriagwu · **on:** Jul 29, 2018

Refer to the figure above. Assume the switch in the primary has been closed for a few minutes. Then there is a current in the

1) primary, but not the secondary.
2) secondary, but not the primary.
3) primary and secondary.
4) neither the primary nor the secondary.

When the switch is opened suddenly, current in the primary
5) decreases, while current builds up in the secondary.
6) increases, while current decreases in the secondary.

Question 2

A ray of light is incident on a pane of common window glass at an angle of 35 to the normal. The angle of the reflected ray with respect to the normal is

1) 35
2) 55
3) 90
4) 20

and the refracted ray within the glass may be at an angle of
5) 35.
6) 55.
7) 22.
8) 75.