If the capacitance of a pure capacitor in a $DC$ circuit is $1 \ F$,then what will be its capacitive reactance?

$A$ lamp is connected in series with a capacitor. Predict your observations for $dc$ and $ac$ connections. What happens in each case if the capacitance of the capacitor is reduced?

$A$ capacitor of capacity $C$ has reactance $X$. If capacitance and frequency become double then reactance will be

In an $AC$-circuit containing only capacitance,the current

$A$ resistor of resistance $100 \Omega$ is connected to an $AC$ source $\varepsilon = 10 \sin (250 \pi t)$. The energy dissipated as heat during $t = 0$ to $t = 1 \text{ ms}$ is approximately.

The inductive reactance of a coil is $R$. If the inductance of the coil is doubled and the frequency of the $A.C.$ supply is also doubled,then the new inductive reactance will be: