Question

a wire contains current of 0.1a and has resistance as 120millionohm. what is the p.d
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Answer 1

Answer:

12millionvolts

Explanation:

we know that,

from ohms law, V=IR

where V-p.d

I-current

R-resistance

Given, I=0.1

R=120*10^6

therefore, V=0.1*120*10^6

V =12 million volts