Asked by natasha
Find the power delivered to an element at t=3 ms if the current entering its positive terminal is i=5cos60πt A and the voltage is V=3 di/dt
Answers
Answered by
bobpursley
power=vi=5cos60PI t *(-60*PI*5*PIsin60PIt)
at t=.003
Power=-300*5cos(60PI*.003)sin(60PI*.003)=
= -2132watts
check the math.
at t=.003
Power=-300*5cos(60PI*.003)sin(60PI*.003)=
= -2132watts
check the math.