Can the instantaneous power output of an ac source ever be negative? Can the average power output be negative?

Kinetic energy of a body can never be negative.

Kinetic energy of a body can never be negative.

The average power in LCR series cicuit is

The instantaneous voltage from an a.c. source is given by E = 300 sin 314 t. What is the r.m.s. voltage of the source ?

Combination of solar cells designed to increase the electric power output is called

Answer the following questions: can kinetic energy be negative? Why?

Fill in the blanks : The power of a ………….. lens is negative.

Can the negative charge be made to flow?

A circuit containing a 80 mH inductor and a 60 mu F capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. Suppose the circuit in above question has a resistance of 15 Omega . Obtain the average power transferred to each element of the circuit and the total power absorbed.