What is power of bulb rated at 2.5V ,500milliampere .

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Solution

Torch bulb current 500mA
=500/1000 A
= .5 A
Voltage=2.5volt,
for d.c current, power=voltagexcurrent,so,power=2.5×.5= 1.25 watt Ans

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What is power of bulb rated at 2.5V ,500milliampere .

Torch bulb current 500mA =500/1000 A = .5 A Voltage=2.5volt, for d.c current, power=voltagexcurrent,so,power=2.5×.5= 1.25 watt Ans

Torch bulb current 500mA
=500/1000 A
= .5 A
Voltage=2.5volt,
for d.c current, power=voltagexcurrent,so,power=2.5×.5= 1.25 watt Ans