The unit $Volt \times Ampere$ represents which physical quantity?

If you connect three resistors having values $2 \, \Omega$, $3 \, \Omega$, and $5 \, \Omega$ in parallel, will the value of total resistance be less than $2 \, \Omega$, greater than $5 \, \Omega$, or lie between $2 \, \Omega$ and $5 \, \Omega$? Explain.

$(a)$ What are the values of $mA$ and $\mu A$ in terms of Ampere $(A)$?
$(b)$ Draw the symbols of a battery and a rheostat.

The resistivity of a material does not change if:

What is the equivalent resistance of resistors $R_{1}$ and $R_{2}$ connected in parallel connection?

How does the use of a fuse wire protect electrical appliances?