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प्रश्न
State two ways through which the strength of an electromagnet can be increased.
उत्तर
the strength of an electromagnet can be increased by following ways:
(i) By increasing the number of turns of winding in the solenoid.
(ii) By increasing the current through the solenoid.
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संबंधित प्रश्न
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A step-up transformer converts a low voltage into high voltage. Does it not violate the principle of conservation of energy? Explain.
The output power in step-up transformer used in practice is ______.
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Define a Transformer.
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- Lower current implies less power loss.
- Transmission lines can be made thinner.
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