CBSE Class 10 Answered
what is the power of torch bulb rated at 2.5V and 500 mA?
Asked by sunilgupta9419158173 | 20 Jul, 2021, 01:14: PM
P = VI
V = 2.5 V
I = 500 mA = 500 x 10-3 A
Thus,
P = 500 x10-3 x 2.5 = 1.25 W
Answered by Shiwani Sawant | 20 Jul, 2021, 05:38: PM
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