A device of 60 W is connected to a 12 V battery. The current in the device is:

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RRB Group D 8 Sept 2022 Shift 3 Official Paper
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  1. 0.1 A
  2. 5.0 A
  3. 0.2 A
  4. 2.5 A

Answer (Detailed Solution Below)

Option 2 : 5.0 A
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Detailed Solution

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The correct answer is option 2)5.0A

Given:

\(P=60W,V=12V\)

Formula:

\(P=VI\)

where P is the power,

V is the voltage and I is the current in the circuit.

Calculations:

\(P=VI\)

\(60=12*I\)

\(I={60\over 12}=5A\)

Therefore, the current in the circuit 5A.

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