Ask Question
18 December, 07:27

An AC generator with a variable frequency and an RMS voltage output of 120 Volts is connected in series to a 3.1 μF Capacitor and a 100 Ω resistor. The RMS voltage across the capacitor is measured to be 92 Volts. What is the RMS voltage across the resistor?

+5
Answers (1)
  1. 18 December, 08:13
    0
    The RMS voltage across the resistor = 28 V

    Explanation:

    Capacitor: A capacitor is an electrical device that has the ability to store electrical charges in an electrical circuit. It is expressed in Farad (F)

    Resistor: A resistor is an electrical device that oppose the flow of electric current in a circuit. It is expressed in ohms (Ω)

    RMS Voltage : RMS voltage value of an alternating voltage is defined as that value of steady voltage which would dissipate heat at the same rate in a given resistance

    Since the it is a series circuit, the total voltage is divided across the resistance and the capacitor.

    Vt = V₁ + V₂ ... Equation 1

    Where Vt = total Rms voltage = 120 V, V₁ = Rms voltage across the Capacitor = 92 V, V₂ = Rms voltage across the resistor.

    Making V₂ the subject of the equation in equation 1 above,

    V₂ = Vt - V₁ = 120 - 92

    V₂ = 28 V.

    The RMS voltage across the resistor = 28 V
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “An AC generator with a variable frequency and an RMS voltage output of 120 Volts is connected in series to a 3.1 μF Capacitor and a 100 Ω ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers