Home
Class 12
PHYSICS
An inductor, a resistor and a capacitor ...

An inductor, a resistor and a capacitor are joined in series with an AC source. As the frequency of the source is slightly increased from a very low value, the reactance

A

of the inductor increases

B

of the resistor increases

C

of the capacitor increases

D

of the circuit increases

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ALTERNATING CURRENT

    HC VERMA|Exercise Exercise|19 Videos

  • ALTERNATING CURRENT

    HC VERMA|Exercise Objective 1|11 Videos

  • BOHR'S MODEL AND PHYSICS OF THE ATOM

    HC VERMA|Exercise Exercises|46 Videos

Similar Questions

Explore conceptually related problems

What happens to the value of current in RLC series circuit, if the frequency of the source is increased?

A diode, a resistor and a 50 Hz AC source are connected in series. The number of current pulses per second through the resistor is

Knowledge Check

  • Which of the following statement are not correct ? (i) A capacitor is connected in series with a bulb. When this combination is connected to an A.C. source, the bulb does not glow. (ii) In a series A.C. circuit the applied voltage is not equal to the algebraic sum of voltages across the different elements of the circuit. (iii) A variable capacitor is connected in series with a bulb and this combination is connected to an A.C. source. If the capacitance of the variable capacitor is decreased then the brightness of the bulb is reduced. (iv) A capacitor is connected in series with a bulb and this combination is connected to a D.C. source When the voltage of the source is increased, the brightness of the bulb will increase.

    A
    (i) and (ii)
    B
    (ii) and (iii)
    C
    (i) and (iv)
    D
    (iii) and (iv)

  • In an AC circuit with capacitor only, if the frequency of the signal is zero, then the capacitive reactance is :

    A
    infinity
    B
    zero
    C
    finite maximum
    D
    finite minimum

  • An inductor 20 mH, a capacitor 50 muF" and a resistor "40omega are connected in series across a source of emf v=10sin340 t. The power loss in AC circuit is

    A
    0.76 W
    B
    0.89 W
    C
    0.46 W
    D
    0.67 W

    • Similar Questions

    Explore conceptually related problems

    What is the reactance of a capacitor connected to a constant DC source?

    An inductor- coil, a capacitor and an AC source of rms voltage 24 V are connected in series. By varying the frequency of the source, a maximum rms current of 6 A is observed. If this inductor coil is connected to a DC battery of emf 12 volt and internal resistance 4Omega , then current through it in steady state is

    A coil of self-inductance L is connected in series with a bulb B and an AC source.Brightness of the bulb decreases when

    An inductor 20 m H , a capacitor 50 mu F and a resistor 40 are connected in series across a source of emf V=10 sin 340 t. The power loss in A.C. circuit is

    A resistance is connected to an AC source. If a capacitor is included in the series circuit, will the average power absorbed by the resistance increase or decrease? If an inductor of small inductance is also included in the series circuit, will the average power absorbed increase or decrease further?

    Home
    Profile