How much work is done in moving a charge of $2 \, C$ across two points having a potential difference of $12 \, V$ (in $, J$)?

How many electrons will there be in $1.6 \ C$ charge?

$A$ house is fitted with $5$ tubes each of $40 \, W$. If all the tubes are lighted for $20$ hours and if the cost of electrical unit is ₹ $0.50$,the total cost of electricity consumed is (in ₹)

Which electrical appliance with the given rating will draw the maximum current from the source?

What is the direction of conventional current?

$1\, mA = \dots A$