CBSE BOARD X, asked by paulipshita16, 8 months ago

what is the power of a torch rated at 25V and 500mA

Answers

Answered by sudhanshukumar91

Explanation:

What is the power of torch bulb rated 2.5V and 500mA? Torch bulb current 500mA = 0.5A, voltage =2.5v , for d.c Current, Power =voltage ×current , So, power = 2.5×5=125 watt.

Answered by Zaynroy

Voltage = 25V

Current = 500*10^-3 = 0.5 A

Then Power = VI =25*0.5=12.5 W

Hope it helps

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