RC Circuit Calculator, Formula for Characteristic Frequency, Calculation

RC Circuit Calculator

Use this RC circuit calculator to calculate the characteristic frequency of an RC circuit. You can use it as a capacitor charge time calculator and RC time constant calculator or RC filter calculator.

Calculate frequency quickly using our handy RC circuit calculator. To get the frequency you need to provide capacitance and resistance. Resistor-capacitor circuit, formula, detailed procedure for calculating characteristic frequency can be learned.

  • Get resistance, capacitance.
  • Amplify resistance and capacitance.
  • Again multiply the product by 2π.
  • Obtain the reciprocal of the product to check the characteristic frequency.

An RC circuit is a combination of a resistor and a capacitor. It is a circuit where a resistor is connected in series with a capacitor of capacitance. The characteristic frequency has two applications. They are used as RC circuit filter and capacitor charging time.

Rc Circuit Formula:

Rc circuit of the characteristic frequency F(MHz) in Mega Hertz is equal to the one divided by two and multiply the 2π  in value 3.14 and multiply the resistance of the resistor  R(oh) in ohm and multiply the capacitance of the capacitor C(f) in farad.Hence the Rc circuit formula can be written as

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F(MHz) = 1/ (2 π * R(oh) * C(f))

Where

R= is the resistance of the resistor in ohm

C= is the capacitance of the capacitor in farad

F = is the characteristic frequency in Hertz

The capacitor charge time formula is t =R *C

Example:1

The capacitance and resistance in the RC circuit are 65 Ω ,46F.Find the characteristic frequency?

Answer:

Given that

Resistance R =65Ω

Capacitance c = 46F

Convert the capacitance 65 = farads to microfarads

To convert multiply capacitance with 1000000

Capacitance =65 * 1000000 microfarads

Capacitance =65000000 microfarads

Characteristic Frequency F = F = 1/ (2 π * R * C)

F= 1/ (2 π * 46 *65000000)

F= 5.32290 *10-11 mega Hertz (MHz)

Example:2

The capacitance and resistance in the RC circuit are 97 Ω ,125F.Find the characteristic frequency?

Answer:

Given that

Resistance R =97Ω

Capacitance c = 125F

Convert the capacitance 125 = farads to microfarads

To convert multiply capacitance with 1000000

Capacitance =125 * 1000000 microfarads

Capacitance =125000000 microfarads

Characteristic Frequency F = F = 1/ (2 π * R * C)

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F= 1/ (2 π * 97 *125000000)

F= 1.312618 *10-11 mega Hertz (MHz)

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