Question

5. If a eire has resistance 200 Ω and the current through it is 0.5A, the p.d. across the

wire must be …………..

a) 400V b) 200V c) 100V d) 50V.​

Answer 1

Explanation:

V=IR

I=.5A

V=?

R=200 Ohm

V=IR

V=200*.5

V=100 V

Hence the CORRECT anwer is C

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Answer 2

Answer:

c) 100

Explanation:

R = 200 ohm

I = 0.5A

potential difference (V) = I into R

0.5 into 200

100