Calculate the rate at which energy is used up in the circ...
Calculate the rate at which energy is used up in the circuit illustrated by the diagram
A.
0 W
B.
2 W
C.
4 W
D.
8 W
E.
16 W
Correct answer is C
R=R1XR2R1+R2
= 1
E=I2R=22x1=4W
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