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 |
2
-
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
There is an explanation video available below.