Current Electricity

Question: The resistance of a coil is $4.2 \Omega$ at $100^oC$ and the temperature coefficient of resistance of its material is $0.004/^o C$. Its resistance at $0^oC$ is

1) $6.5 \Omega$

2) $5 \Omega$

3) $3 \Omega$

4) $4 \Omega$

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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