What is the current flowing through a 10 kΩ, 1 W resistor?

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MPPGCL JE Electrical 19 March 2019 Shift 2 Official Paper
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  1. 1 mA
  2. 0.1 A
  3. 0.01 A
  4. 1 A

Answer (Detailed Solution Below)

Option 3 : 0.01 A
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Detailed Solution

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Concept

The power across a resistor is given by:

\(P={V^2\over R}=I^2R=VI\)

where, P = Power

V = Voltage

R = Resistance

I = Current

Calculation

Given, I = 1 W

R = 10 kΩ

\(P=I^2R\)

\(1=I^2\times 10\times 10^3\)

I = 0.01 A

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