Question 5.40: A current of 1.5 A is drawn from a 3 V battery. What power i...
A current of 1.5 A is drawn from a 3 V battery.
What power is supplied?
Here we must use P = I ×V where I = 1.5 A and V = 3 V. Thus:
P = I × V = 1.5 A × 3 V = 4.5 W.
Hence a power of 4.5 W is supplied.
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