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प्रश्न
How does the resistance of an alloy, vary with temperature?
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उत्तर
The resistance of an alloy remains nearly unaffected by the change in temperatue.
संबंधित प्रश्न
Find the equivalent resistance between points A and B.

Find the equivalent resistance between points A and B

How does the resistance of a wire change when:
its length is tripled?
Give the law of combination of resistances in series.
What potential difference is needed to drive a current o f 1 A through a 5 Ω resistor?
When do you say that the resistors are connected in this way? Draw a circuit diagram.
Define the term resistivity and state its S.I. unit. Which will have higher resistivity a conductor or an insulator.
2Ω resistor A, 1Ω resistor B and 4Ω resistor C are connected in parallel. The combination is connected across a 2V battery of negligible resistance. Draw the diagram of the arrangement and calculate:
(i) The current in each resistor A and C,
(ii) The current through battery.
