$1\, \mu \,A =\ldots \ldots \ldots \,A$
$10^{-3}$
$10^{3}$
$10^{6}$
$10^{-6}$
Why is an ammeter likely to be burnt, if you connect it in parallel ?
Calculate the number of electrons constituting one coulomb of charge.
(Charge on one electron $=1.6 \times 10^{-19} C$ )
What is meant by resistance ?
Draw a schematic diagram of an electric circuit consisting of a battery of two cells each of $1.5\, V$, $5\, \Omega, 10\, \Omega$ and $15\, \Omega$ resistors and a plug key, all connected in series.
How does use of a fuse wire protect electrical appliances?