In a parallel circuit, the current is divided among the electrical gadgets connected. This is in contrast to a series circuit where the current remains constant throughout the circuit.

One major disadvantage of a series circuit is that if one component fails, the entire circuit is broken, and none of the components works. This can lead to a complete failure of the electrical system.

In a series circuit, the current is constant throughout. However, electric bulbs and heaters require currents of widely different values to operate properly, making it impractical to connect them in series.

It is possible to replace the three resistors joined in series by an equivalent single resistor (R) of resistance, such that the potential difference (V) across it and the current (I) through the circuit remain the same. This equivalent resistance ...

In a series circuit, the current (I) remains constant throughout. The current through each resistor in the series is also equal to the total current flowing through the circuit. This is a fundamental characteristic of series circuits.