A current of 0 5 A flows through a resistor whe... - JAMB Physics 2022 Question
A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?
A
2400 J
B
9600 J
C
1500 J
D
1200 J
Ask EduPadi AI for a Detailed Answer
Correct Option: A
Energy = power x time
Power = voltage x current.
Energy = voltage x current x time
Energy = 40 x 0.5 x 60 x 2
= 2,400j
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