<p>(a) For circuits used for transporting electric power, a low power factor implies large power loss in&nbsp; transmission. Explain.</p>

<p>(b) Power factor can often be improved by the use of a capacitor of appropriate capacitance in the circuit. Explain.</p>

<p>(c) A lamp is connected in series with a capacitor. Predict your observations for d.c. and a.c. connections. What happens in each case&nbsp;if the capacitance of the capacitor is reduced ?</p>