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प्रश्न
Name the material which is used for making the heating element of an electric iron.
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उत्तर
The coils of the heating element of an electric iron is made of alloys like nichrome because alloys have a high resistance and a high melting point.
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संबंधित प्रश्न
If the equivalent resistance is to be increased, then the number of resistances should be connected in
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(i) Draw a labelled circuit diagram showing the above arrangement.
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(a) 0.1 Ω
(b) 10 Ω
(c) 20 Ω
(d)40 Ω
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(ii) the current in the circuit, and
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Draw a labelled circuit diagram showing the above arrangement.
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