Which of the following instruments consumes the highest c...
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
I
II
III
IV
Correct answer is C
(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
The clinical thermometer is characterized by having a ...
Which of the following statements about a progressive mechanical wave is correct? ...
When an athlete perspires after running, he loses heat through ...
Which of the following will affect the saturation vapour pressure of a liquid? ...
Mercury which is spilled onto a glass surface forms ball-like shapes because____. ...
The resultant capacitance in the figure above is ...
An explosion occurs at an altitude of 312 m above the ground. If the air temperature is -10.00°C...