Question

Read the following and answer any 4 questions from (a) to (e)

Take a magnetic needle NS, which can rotate freely about a vertical axis in a horizontal plane. Hold a conducting

wire over the magnetic needle NS parallel to it. Complete the circuit by closing the key K such that the current

flows from one end to the other.

(a)What do you observe ?

(b)Draw a labelled circuit diagram of the experiment described above.

(c)What do you observe if the strength of the current in the wire is increased ?

(d)Analyse the cause of the observation.
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Answer 1

Answer:

option C.

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