What will happen in the diagram if a lightbulb
placed at d and b is closed?

•the lightbulb will be off.
•the lightbulb will be dimmer than
normal.
•the lightbulb will be on.
•the lightbulb will be short circuited.
ingle

Explanation:

There is no other resistance in the circuit.  It is as though B was a wire. The light bulb with show its normal brightness with a voltage of A. So the answer is C

A: the lightbulb will light A is incorrect.

B: is incorrect. It will be as bright as is normal for bulb and battery

D: is incorrect. If the switch were placed across D, then the light bulb would be shorted out.

trig 15.3 cos

frequency or wavelenth of em radiation in a vacuum