What is the purpose of resistor in power supply?

What is the purpose of resistor in power supply?

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses.

What is the purpose of the resistors?

Resistor Definition and Symbol A resistor is a passive electrical component with the primary function to limit the flow of electric current.

What kind of resistor is used in capacitor circuit?

Resistor R1 protects the circuit from inrush current at power on. A full wave rectifier comprising D1 through D4 is used to rectify the low voltage AC from the capacitor C1 and C2 removes ripples from the DC.

What is the role of capacitor in AC and DC Circuit?

Role of Capacitor in AC Circuits: In an AC circuit, capacitor reverses its charges as the current alternates and produces a lagging voltage (in other words, capacitor provides leading current in AC circuits and networks) Role of Capacitor in DC Circuits: In a DC Circuit, the capacitor once charged with the applied voltage acts as an open switch.

How is a bypass capacitor used in an integrated circuit?

A Bypass Capacitor is usually applied between the VCC and GND pins of an integrated circuit. The Bypass Capacitor eliminates the effect of voltage spikes on the power supply and also reduce the power supply noise. The name Bypass Capacitor is used as it bypasses the high frequency components of power supply.

What is the function of an led resistor?

Here R = Series LED resistor, V = supply voltage, N = number of LEDs in series, V (LED) = forward voltage of the LED used, and I = current through the LEDs (10mA optimum). In Timing Circuits: The timing components used in timer and oscillator circuits always incorporate a resistor and a capacitor.