Direction: Observe the given figure and answer the following question. |
The bulb will glow when a___ is placed in between the probes. |
A) Crayon
B) Comb
C) Key
D) Piece of stone
Correct Answer: C
Solution :
Key is a metallic object. When it is placed in between probes then current can easily flow in the circuit.You need to login to perform this action.
You will be redirected in
3 sec