Home
Class 12
PHYSICS
An inductance of 2.0 H, a capacitance of...

An inductance of `2.0 H`, a capacitance of `18muF` and a resistance of `10 K Omega` are connected to an `AC` source of `20 V` with adjustance frequency (a)What frequency should be chosen to maximise the current `(RMS)` in the circuit? (b)What is the value of this maximum current `(RMS)`?

Text Solution

Verified by Experts

The correct Answer is:
`(a)(250)/(3pi)Hz (b) 2mA `
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise SECTION E:|6 Videos

  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise PART II:|6 Videos

  • ALTERNATING CURRENT

    RESONANCE ENGLISH|Exercise SECTION C|16 Videos

  • ATOMIC PHYSICS

    RESONANCE ENGLISH|Exercise Advanved level problems|17 Videos

Similar Questions

Explore conceptually related problems

An inductance of 2.0 H , a capacitance of 18 muF and a resistance of 10 kOmega are connected to an AC source of 20 V with adjustable frequency. (a) What frequency should be chosen to maximise the current in the circuit? (b) What is the value of this maximum current?

An inductance L , a capacitor of 20mu F and a resistor of 10Omega are connected in series with an AC source of frequency 50 Hz . If the current is in phase with the voltage, then the inductance of the inductor is

A coil having a resistance of 50.0 Omega and an inductance of 0.500 henry is connected to an AC source of 110 volts, 50.0 cycle/s. Find the rms value of the current in the circuit.

A circuit has a resistance of 11 Omega , an inductive reactance of 25 Omega , and a capacitive resistance of 18 Omega . It is connected to an AC source of 260 V and 50 Hz . The current through the circuit (in amperes) is

An inductor of inductance 100 mH is connected in series with a resistance, a variable capacitance and an AC source of frequency 2.0 kHz . What should be the value of the capacitance so that maximum current may be drawn into the circuit?

A coil of resistance 300 Omega and inductance 1.0 henry is connected across an voltages source of frequency 300//2pi Hz . The phase difference between the voltage and current in the circuit is

If resistance R = 10 Omega , inductance L = 2 mH and capacitance C = 5 muF are connected in series to an AC source of frequency 50 Hz, then at resonance the impedance of circuit is

A series L-C-R circuit contains inductancle 5 mH, capacitor 2muF and resistance 10 Omega . If a frequency AC source is varied, then what is the frequency at which maximum power is dissipated?

Answer the following: (a) What do you understand by 'sharpness of resonance' for a series LCR resonant circuit? How is it related with the quality factor 'Q' of the circuit? Using the graphs given in the diagram, explain the factors which affect it. For which graph is the resistance (R ) minimum? (b) A 2 muF capacitor, 100 Omega resistor and 8 H inductor are connected in series with an ac source. Find the frequency of the ac source for which the current drawn in the circuit is maximum. If the peak value of emf of the source is 200 V, calculate the (i) maximum current, and (ii) inductive and capacitive reactance of the circuit at resonance.

If resistance R =100 Omega, inductance L = 12mH and capacitance C=15muF are connected in series to an AC sources, then at resonance the impedance of circuit is