A bulb draws a current of 5 A when connected to a battery of 12 V. The power of the bulb is: 

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RRB Group D 8 Sept 2022 Shift 2 Official Paper
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  1. 60 W
  2. 1.2 W
  3. 2.4 W
  4. 0.41 W

Answer (Detailed Solution Below)

Option 1 : 60 W
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Detailed Solution

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Given:

The potential difference, V = 12V

Steady current flowing,  I = 5 A

Formula used:

Power(P) = Voltage(v) x current(l)

Calculation:

=> P = V x I

=> P= 12 x 5 = 60 W

Hence, the correct answer is '60 W'.

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