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 Form 3 Physics: Heating Effect of an Electric Current Questions and Answers

When a current of 2.0A flows in a resistor for 10 minutes, 15,000 joules of electrical energy is dissipated. Determine the voltage across the resistor.

 (2m 16s)
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Answer Text:
E = VIt
#V = E/(It) = 15000/(2 times10 times60) = 12.5 v#