$1\, mA = \dots A$

Positive charges flow from high potential to low potential.

$(a)$ Name the instrument/device used to measure electric current in a circuit.
$(b)$ How is an ammeter connected in a circuit to measure current flowing through it?

When is the potential difference between two points said to be $1$ volt?

$1 \text{ kWh} = 3.6 \times 10^6 \text{ joules}$. Is this statement true or false?

An electric bulb of resistance $480 \Omega$ is connected to a $220 \text{ V}$ main. Find the amount of electrical energy consumed in $10 \text{ seconds}$. (in $J$)