Calculate the root mean square value of the voltage of the given variation of an alternating EMF with time in graph as shown in figure-5.173.

The root mean square value of the alternating current is equal to

The root mean square value of the alternating current is equal to

Define root mean square value of an alternating current.

Find the root mean square voltage for the variation of voltage as shown in the adjacent figure.

Calculate the RMS value of the EMF for a cycle of which time variation is shown in figure-5.172

Define the term 'root mean square' (rms) value of alternating current.

Calculate the r.m.s. value of alternating current shown in the figure

Calculate the root mean square value of current if the instantaneous current in a circuit connected across an AC source is given by I = 5 sin 31.4 t.

In previous question calculate the average voltage per cycle of the alternating EMF.