Modern Physics> IF a current in a bulb is 3A . if it has ...

IF a current in a bulb is 3A . if it has 40 ohm resistance then what is the power generated by it.

praween reezal , 4 Years ago

Grade 11

1 Answers

Ursula Arthur

Current is 3A and resistance is 40 ohms from power(P)=VI ...(equation 1)

But V=I R .....(equation 2)

We substitute equation 2 into equation 1.

P=I (I R)

P=3(3×40)

P=3×120

P=360 Watt

Last Activity: 4 Years ago

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Modern Physics> IF a current in a bulb is 3A . if it has ...

IF a current in a bulb is 3A . if it has 40 ohm resistance then what is the power generated by it.

praween reezal , 4 Years ago

Ursula Arthur

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