Question

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Ohm’s law is valid only when
(a) Temperature increases
(b) Temperature decreases
(c) Graph between V and I is a straight line
(d) Pressure remains constant

Answer 1

Answer:

The Ohms law is applied at a constant temperature because the resistance of any material varies with the change in temperature. ... It shows a linear relationship between the applied voltage and the resulting current, resistance being a constant. Hence, the correct answer an option (c).

Explanation:

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Answer 2

Answer:

Ohm’s law is valid only when Temperature increases

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