Categories: Physics JAMB

Which of the following instruments consumes the highest current?
I. Electric iron

II. Television set

III. Torch light

IV. Immersion heater

 250v

220v

6v

110v

 1kW

110W

30W

500W

A. I
B. II
C. III
D. IV

Correct Answer: Option C

Explanation

(I) I = P/V=1000/25 = 4A

(II) I = 110/220 = 0.5A

(III) I = 30/6 = 5A

(IV) I = 500/110 = 4.55A

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4 years ago

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