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प्रश्न
What material is used for making wire to prepare heating coils? Give a reason.
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उत्तर
Nichrome is used for making wire to prepare heating coils. The reason is that its melting point is high and its resistivity is also high.
संबंधित प्रश्न
A p.d. of 4 V is applied to two resistors of 6 Ω and 2 Ω connected in series. Calculate:
(a) the combined resistance
(b) the current flowing
(c) the p.d. across the 6 Ω resistor
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