$1 \, \mu A = \ldots \ldots \ldots \, A$

An electric heater rated $600 \ W$ operates $6$ hours per day. Find the cost to operate it for $30$ days at ₹ $3.00$ per unit.

The electric potential of a positively charged body is positive,and the electric potential of a negatively charged body is negative.

Which law is used to calculate the magnitude of the electric force between two electric charges?

In the circuit diagram shown,the two resistance wires $A$ and $B$ are of the same length and same material,but $A$ is thicker than $B$. Which ammeter,$A_{1}$ or $A_{2}$,will indicate a higher reading for current? Give a reason.

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