Q.

How will the strength of the magnetic field inside a solenoid change as its number of turns increases?

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a

Magnetic field strength will  increase

b

Magnetic field strength will remain unchanged 

c

Can't be said

d

Magnetic field strength will decrease

answer is A.

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Detailed Solution

solution

The magnetic field strength is directly proportional to the number of turns in a wire in a solenoid. The strength of the field increases with an increase in the number of turns.

Therefore, 'Magnetic field strength will increase is the correct response.

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