Question: In an ac circuit, the current is given by $i = 5 \sin \left( 100 t - \frac { \pi } { 2 } \right)$...

Question

In an ac circuit, the current is given by

$i = 5 \sin \left( 100 t - \frac { \pi } { 2 } \right)$ and the ac potential is

Then the power consumption is

Answer 1

$P = V i \cos \phi$

Phase difference $\phi = \frac { \pi } { 2 } \Rightarrow P =$ zero

Question: In an ac circuit, the current is given by \(i = 5 \sin \left( 100 t - \frac { \pi } { 2 } \right)\)...