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  • If a 120 volt light bulb is connected in a circuit then c...
Multiple choice

If a 120 volt light bulb is connected in a circuit then calculate current used by a 100 watt?

  1. 1.2 amps

  2. 12000 amps

  3. 830 mA

  4. 300 mA

  5. 12 mamp

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Power = current * voltage current = power / voltage I=100 / 120= 0.833 =830 mA

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