Coils P and Q Each Have a Large Number of Turns

question 60

Multiple Choice

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

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