The strength of the magnetic field of a solenoid with the _of strength of electric current in the solenoid.

decreases, decreases

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decreases, increase

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increase , decreases,

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None of the above

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Solution

The correct option is D None of the above
The strength of the magnetic field of a solenoid increases with the increase of strength of electric current in the solenoid. The strength of the magnetic field is directly proportional to the amount of current passing through the current carrying conductor. More the current, more the strength of the magnetic field.

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(a) What is a solenoid ? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.

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(e) What type of core should be put inside a current-carrying solenoid to make it into an electromagnet ?

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The strength of the magnetic field of a solenoid ______ with the _______of strength of electric current in the solenoid.

The strength of the magnetic field of a solenoid with the _of strength of electric current in the solenoid.