Coils P and Q each have a large number of turns of insulated wire.When switch S is closed, the pointer of galvanometer G is deflected toward the left.Now that S is closed, to make the pointer of G deflect toward the right one could:
A)move the slide of the rheostat R quickly to the right
B)move coil P toward coil Q
C)move coil Q toward coil P
D)open S
E)do none of the above

Question

Coils P and Q each have a large number of turns of insulated wire.When switch S is closed, the pointer of galvanometer G is deflected toward the left.Now that S is closed, to make the pointer of G deflect toward the right one could: 
A)move the slide of the rheostat R quickly to the right 
B)move coil P toward coil Q 
C)move coil Q toward coil P 
D)open S 
E)do none of the above

Quizplus · Accepted Answer

The Answer is D

Coils P and Q Each Have a Large Number of Turns