The amount of $2 \ A$ electric current is passed for $1 \ minute$ through a conducting wire. How much total electric charge will pass through this wire (in $C$)?

What is the frequency of $220 \ V$ $DC$ voltage? (In $Hz$)

The flow of charge through a conducting wire connected to a cell is the result of chemical reaction inside the cell.

$(a)$ How is the direction of electric current related to the direction of flow of electrons in a wire?
$(b)$ Calculate the current in a circuit,if $500 \, C$ of charge passes through it in $10$ minutes.

How is an ammeter connected in a circuit?

Which device uses direct current $(DC)$?