Match the following
Currents $r.m.s.$ values
(1)${x_0}\sin \omega \,t$ (i)$ x_0$
(2)${x_0}\sin \omega \,t\cos \omega \,t$ (ii)$\frac{{{x_0}}}{{\sqrt 2 }}$
(3)${x_0}\sin \omega \,t + {x_0}\cos \omega \,t$ (iii) $\frac{{{x_0}}}{{(2\sqrt 2 )}}$
$1. \,(i), \,2. \,(ii),\, 3.\, (iii)$
$1. \,(ii),\, 2.\, (iii),\, 3.\, (i)$
$1. \,(i), \,2.\, (iii), \,3.\, (ii)$
None of these
The average value of potential difference $V$ shown in figure is
If the value of potential in an $ac$, circuit is $10V$, then the peak value of potential is
If instantaneous current is given by $i = 4\cos \,(\omega \,t + \phi )$ amperes, then the $r.m.s$. value of current is
The process by which $ac$ is converted into $dc$ is known as
The $r.m.s.$ value of potential difference $V$ shown in the figure is