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प्रश्न
How does a magnetic field set up by a solenoid change when number of turns are increased?
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उत्तर
By having more number of turns, the intensity of magnetic field increases.
संबंधित प्रश्न
Show with the aid of a diagram how a wire is wound on a U-shaped piece of soft iron in order to make it an electromagnet. Complete the circuit diagram and label the poles of the electromagnet.
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(a) The no. of turns in the secondary is doubled?
(b) The part X of the transformer is removed?
( c) The core of the transformer is made out of copper?
(d ) The A.C. supply is replaced by D.C.?
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(ii) Name the law which helped you to find the direction of the magnetic field lines.
