Home
Class 12
PHYSICS
A capacitor of capacitance 10muF is conn...

A capacitor of capacitance `10muF` is connected to an AC source and an AC Ammeter. If the source voltage varies as `V=50sqrt(2)sin100t`, the reading of the ammeter is

A

`50mA`

B

`70.7mA`

C

`5.0mA`

D

`7.07mA`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|84 Videos
  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

A capacitor of capacitance 10muF charged to 100V is connected to an uncharged capacitor. The effective potential now is 40 V. The capacitance on uncharged capacitor is

A 10muF capactor is connected withan ac source E=200sqrt2 sin (100 t)V through an ac ammeter (it reads rms value). What will be the reading of the ammeter?

A capacitor of capacitance 2 µF and resistor of resistance 12 Ω are connected in series with voltage source V = (195 sqrt 2 )[sin(100 (rad) / s)t] - The average power dissipated in the circuit will be

A resistance of 40 Omega is connected in series with inductor of self-inductance 5 H and a capacitor of capacitance 80 mu F. This combination is connected to an AC source of rms voltage 220 V. frequency of AC source can changed continuously. What should be the frequency of source which drives circuit to resonance ?

A circuit consisting of a capacitor with capacitance C and a resistance R connected in series was connected at the moment t=0 to a source of ac voltage V=V_(m) cos omegat . Find the current in the circuit as a function of time t .

A capacitor of capacitive reactance 5omega is connected with A.C. source having voltage V = 3 sin (omegat + pi//6) . Find rms and Peak voltage rms and peak current and instantaneous current

An alternating voltage V=V_(0) sin omegat is connected to a capacitor of capacity C_(0) through an AC ammeter of zero resistance. The reading of ammeter is

If a capacitor of 8 mu F is connected to a 220 V, 100 Hz ac source and the current passing through it is 65 mA, then the rms voltage across it is

Three capacitors of capacitance 3 muF, 10 muF and 15 muF are connected in series to a voltage source of 100 V . The charge on 15 muF is

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-COMPETITIVE THINKING
  1. The rms value of current in a 50Hz AC circuit is 6A. The average value...

    Text Solution

    |

  2. An alternating voltage E=200sqrt(2) sin (100 t)V is connected to a 1 m...

    Text Solution

    |

  3. A capacitor of capacitance 10muF is connected to an AC source and an A...

    Text Solution

    |

  4. The frequency of ac mains in India is

    Text Solution

    |

  5. The ratio of peak value and r.m.s value of an alternating current is

    Text Solution

    |

  6. An alternating e.m.f. given by e=200 sin 50 t is applied to a circuit ...

    Text Solution

    |

  7. If instantaneous current is given by i=4 cos(omega t + varphi) amperes...

    Text Solution

    |

  8. For an A.C. given by I=50cos(100t+45^(@))A. The value of I(rms)=A.

    Text Solution

    |

  9. A multimeter reads a voltage of a certain A.C. source as 100V. What is...

    Text Solution

    |

  10. The number of turns in the coil of an A.C. generator is 100 and its cr...

    Text Solution

    |

  11. In an AC circuit, peak value of voltage is 423 volts. Its effective vo...

    Text Solution

    |

  12. A generator produces a time varying voltage given by V=240 sin 120 t, ...

    Text Solution

    |

  13. An e.m.f. E=4cos(1000t)volt is applied to an LR circuit of inductance ...

    Text Solution

    |

  14. An AC generator produced an output voltage E=170sin 377t volts , where...

    Text Solution

    |

  15. A.C. voltmeter is connected to a source of e(0)=141.4 volt, then it wi...

    Text Solution

    |

  16. An alternating voltage E=200sqrt(2)sin(100t) is connected to a 1 micro...

    Text Solution

    |

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

    Text Solution

    |

  18. A small signal voltage V(t)=V(0)sin omegat is applied across an ideal ...

    Text Solution

    |

  19. For series LCR circuit, the wrong statement is

    Text Solution

    |

  20. In the series LCR circuit, the power dissipation is through

    Text Solution

    |