The strength of magnetic field through a solenoid depends upon ___.
A
current through the solenoid
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B
number of coils
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C
orientation of the solenoid
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D
both A and B
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Solution
The correct option is D both A and B The magnetic field of a solenoid depends upon the current passed through the solenoid and the number of coils present in it. The magnetic field can be increased by increasing either the number of coils or the magnitude of current.