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In Ohm's law experiment, the reading of voltmeter across the resistor is $12.8 V$ and current through resistor is $0.30 A$ . Find the resistance of resistor.

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42.67Ω

42.667Ω

42.3Ω

43Ω

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detailed solution

Correct option is D

According to Ohm's law,V=IR⇒R=Vl=12.80.30=42.667Ω=43Ω

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In Ohm's law experiment, the reading of voltmeter across the resistor is 12.8 V and current through resistor is 0.30 A. Find the resistance of resistor.

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Ready to Test Your Skills?

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In Ohm's law experiment, the reading of voltmeter across the resistor is $12.8 V$ and current through resistor is $0.30 A$ . Find the resistance of resistor.