WAEC - Physics (1992 - No. 41)
Calculate the rate at which energy is used up in the circuit illustrated by the diagram
0 W
2 W
4 W
8 W
16 W
Paliwanag
\(R = \frac{R_1 X R_2}{R_1 + R_2}\)
= 1
\(E = I^2R = 2^2 x 1 =4W\)
Calculate the rate at which energy is used up in the circuit illustrated by the diagram
\(R = \frac{R_1 X R_2}{R_1 + R_2}\)
= 1
\(E = I^2R = 2^2 x 1 =4W\)