Question

Which of the following can be used to increase the strength of the magnetic field of a solenoid?
(i) Increasing the number of turns of the coil of the solenoid.
(ii) Replacing the cylindrical core with a copper cylinder.
(iii) Increasing the amount of current flowing through the solenoid.

Answer 1

Answer:By Adding more turns to the coil of wire increases the strength of the field. Increasing the amount of current flowing through the coil also increases the strength of the magnetic field

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Explanation:

Answer 2

Answer:

I and d is the answer

Explanation:

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