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Solve the following example. Heat energy is being produced in a resistance in a circuit at the rate of 100 W. The current of 3 A is flowing in the circuit. What must be the value of the resistance? - Science and Technology 1

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प्रश्न

Solve the following example.

Heat energy is being produced in a resistance in a circuit at the rate of 100 W. The current of 3 A is flowing in the circuit. What must be the value of the resistance?

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उत्तर

Given:
Power, P =100 W
Current, I = 3 A
Resistance, R = ?
We know, P = I2R

\[\Rightarrow R = \frac{P}{I^2} = \frac{100}{9} \simeq 11.11 \Omega\] 
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अध्याय 4: Effects of electric current - Exercises [पृष्ठ ६१]

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बालभारती Science and Technology 1 [English] 10 Standard SSC Maharashtra State Board
अध्याय 4 Effects of electric current
Exercises | Q 12.1 | पृष्ठ ६१

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