David Sang and Graham Jones Solutions for Chapter: Alternating Currents, Exercise 6: Questions

Calculate the average power dissipated in a resistor of resistance $100 \mathrm{\Omega }$. When a sinusoidal alternating current has a peak value of $3.0 \mathrm{A}$.

The sinusoidal voltage across a $1.0\mathrm{k\Omega }$ resistor has a peak value $325 \mathrm{V}$.

(a) Calculate the r.m.s. value of the alternating voltage.

The sinusoidal voltage across a $1.0\mathrm{k\Omega }$ resistor has a peak value $325 \mathrm{V}$.

(b) Use $V=IR$ to calculate the r.m.s. current in the resistor.

The sinusoidal voltage across a $1.0\mathrm{k\Omega }$ resistor has a peak value $325 \mathrm{V}$.

(c) Calculate the average power dissipated in the resistor.

The sinusoidal voltage across a $1.0\mathrm{k\Omega }$ resistor has a peak value $325 \mathrm{V}$. Calculate the peak power dissipated in the resistor.