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Question
How can the strength of a magnetic field be increased?
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Solution
The strength of the magnetic field can be increased:
(i) by increasing the number of turns of the coil in the solenoid
(ii) by increasing the strength of the electric current passing through the solenoid
(iii) by winding the solenoid around a magnetic material
(i) by increasing the number of turns of the coil in the solenoid
(ii) by increasing the strength of the electric current passing through the solenoid
(iii) by winding the solenoid around a magnetic material
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