Question

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.
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Answer 1

The lightbulb will be on

Step-by-step explanation:

Just took the test

Answer 2

Step-by-step 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.