Categories > Current Electricity > Electric Conduction > A platinum resistance thermometer has a resistance of 50 ohm at $20^\circ C$. When dipped in a liquid the resistance becomes $76.8\,\Omega$. The temperature coefficient of resistance for platinum is $\alpha = 3.92 \times {10^{ - 3}}/^\circ C$. The temperature of the liquid is

Current Electricity

Question: A platinum resistance thermometer has a resistance of 50 ohm at $20^\circ C$. When dipped in a liquid the resistance becomes $76.8\,\Omega$. The temperature coefficient of resistance for platinum is $\alpha = 3.92 \times {10^{ - 3}}/^\circ C$. The temperature of the liquid is


1) $100^\circ C$
2) $137^\circ C$
3)
4) $200^\circ C$
Solution: Explanation: No Explanation
Electric Conduction Ohm's Law Resistance

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