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: Option C
Explanation
R =
R1R2R1R2
= 1
E = I2R = 22 x 1 =4W
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