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प्रश्न
Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet.
उत्तर १
A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire.
उत्तर २
A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire.
उत्तर ३
A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire.
उत्तर ४
A soft iron piece can be transformed into an electromagnet by winding an insulated wire around it and passing current through the wire.
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संबंधित प्रश्न
Name safety measures commonly used in electric circuits and appliances.
Describe how an electromagnet could be used to separate copper from iron in a scrap yard.
What name is given to the device which automatically cuts off the electricity supply during short-circuiting in household wiring?
What is the usual capacity of an electric fuse used (i) in the lighting circuit
When does an electric short circuit occur?
What is the usually colour of the insulation of :
(a) live wire
(b) neutral wire
(c) earth wire?
Give two reasons why different electrical appliances in a domestics circuit are connected in parallel.
Answer the following question:
What is overloading? When does it occur? How can overloading be avoided?
Write the function of the voltmeter in an electric circuit.
How does an electric fuse prevent the electric circuit and the appliances from a possible damage due to short circuiting or overloading.
