What is the maximum voltage of $220\, V$ ?
Which of the following components of a $LCR$ circuit, with $ac$ supply, dissipates energy
A generator produces a voltage that is given by $V = 240\,sin \,120\,t$, where t is in seconds. The frequency and $ r.m.s.$ voltage are
The mean value of current for half cycle for a current variation shown by the graph is
The process by which $ac$ is converted into $dc$ is known as
The variation of $EMF$ with time for four types of generators are shown in the figures. Which amongst them can be called $AC$ ?