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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
answered-by-expert Expert Answer
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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