AIPMT 2012 Mock Test

A cell with emf $ϵ$ and internal resistance $r$ is connected to variable $R$. Plot of potential difference $V$ across $R$ vs $R$ is:

The dimensions of $({\mu }_0{ϵ}_0{)}^{-1/2}$ are:

Half life is $50$ days. Time interval $(t_2-t_1)$ between when $2/3$ has decayed and $1/3$ has decayed is:

$i=\sin (100\pi t)$ and $e=\sin (100\pi t+\pi /3)$. Average power in Watts is:

Transition $n=3$ to $n=1$ results in ultraviolet radiation. Infrared radiation will be obtained in: