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Wednesday, 01 April 2026
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Which of the following instruments consumes the highest current?

Which of the following instruments consumes the highest current?
I. Electric iron 250v 1kW
II. Television set 220v 110W
III. Torch light 6v 30W
IV. Immersion heater 110v 500W
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A I
  • B II
  • C III
  • D IV
Correct Answer: Option C
Explanation:
(I) I = \(\frac{P}{V} = \frac{1000}{25}\) = 4A
(II) I = \(\frac{110}{220}\) = 0.5A
(III) I = \(\frac{30}{6}\) = 5A
(IV) I = \(\frac{500}{110}\) = 4.55A

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