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Q.

A current of 1A flows through the resistor in an electric circuit connected to a battery. The potential difference given is 15V. What is the resistance of the resistor?

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a

15 Ω   

b

25 Ω

c

30 Ω

d

35 Ω

answer is A.

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Detailed Solution

I = 1A, V = 15V
V=IR, According to Ohm's law.
Hence, R = 15/1 = 15 Ω

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