What Is Circuit Load?

A load, in physics, refers to an electronic component that is connected across a power source in a circuit and is a device used to convert electrical energy into other forms of energy. Commonly used loads include power-consuming components such as resistors, engines, and light bulbs. The most basic requirements for a load are impedance matching and the power it can withstand. ^[1]

A load is an electronic component that is connected across a power source that consumes power in a circuit. It is a device that works with electrical energy, also known as "electrical appliances". load

Inductive load:

That is, the load is inductive when the load current lags the load voltage by a phase difference compared to the power supply (e.g. the load is a motor, transformer)

Capacitive load:

That is, when the load current is ahead of the load voltage by a phase difference from the power supply, the load is capacitive (for example, the load is a compensation capacitor).

Resistive load:

Electric light

That is, when the load current and the load voltage have no phase difference compared to the power supply, the load is resistive (such as an incandescent load; an electric furnace).

Capacitive load, that is, has the nature of a capacitor (charge and discharge, the voltage cannot be abruptly changed).

Inductive load, that is, has the nature of inductance (magnetic field, current can not be abrupt).

In the parallel circuit, the capacitive reactance is larger than the inductive reactance. The circuit is capacitive instead of inductive. ^[5]