Home
Class 12
PHYSICS
A small signal voltage V(t)=V0 sin omega...

A small signal voltage` V(t)=V_0 sin omegat `is applied across an ideal capacitor C:

A

Current I(t), leads voltage V(t) by `180^@`

B

Current I(t), lags voltage V(t) by `90^@`

C

Over a full cycle the capacitor C does not consume any energy from the voltage source

D

Current I(t) is in phase with voltage V(t)

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    SARAS PUBLICATION|Exercise EXAMPLE|15 Videos
  • Electrostatics

    SARAS PUBLICATION|Exercise EXAMPLE|31 Videos

Similar Questions

Explore conceptually related problems

A capacitor of capacitance 10 muF is connected to an oscillator giving an output voltage epsilon = (10 V) sin omegat . Find the peak currents in the circuit for omega = 10 s^(-1), 100 s^(-1), 500 s^(-1), 1000 s^(-1) .

Three capacitor each of capacitance 9 pF are connected in series What is the potential difference across each capacitor, if the combination is connectedto a 120 V supply.

An inductor coil carries a steady state current of 2.0 A when connected across an ideal battery of emf 4.0 V. if its inductance is 1.0 H, find the time constant of the circuit.

Two capacitors of capacities 100muF and 200muF are connected in sereis. A.p.d. of 90 V is applied across them. Calculate the p..d across each capacitor.

A capacitor is connected to a 12 V battery through a resistance of (10Omega) .It is found that the potential difference across the capacitor rises to 4.0 V in 1(mu)s. find the capacitance of the capacitor.

A resistor of 200 Omega and a capacitor of 15.0 mu F are connected in series to a 220V , 50Hz ac source . (a) Calculate the current in the circuit, (b) Calculate the voltage (rms) across the resistor and the capacitor . Is the algeraic sum of these voltages more than source voltage ? if yes, resolve the paradox.

Two capacitors of capacitances 20 .0pF and 50.0pF are connected in series with a 6.00V battery . Find (a )the potential difference across each capacitor and (b) the energy stored in each capacitor .

If voltage applied on a capacitor is increased from V to 2V:

SARAS PUBLICATION-ELECTRONIC DEVICES-EXAMPLE
  1. The figure show a logic circuit with inputs A and B and the output C.T...

    Text Solution

    |

  2. C, Si and Ge have same lattice structure . Why is C an insulator while...

    Text Solution

    |

  3. For a CE- transistor amplifier , the audio signal voltage across the c...

    Text Solution

    |

  4. Two ideal diodes are connected to a battery as shown in the circuit .T...

    Text Solution

    |

  5. In a common emiter (CE) amplifier having a voltage gain G, the transis...

    Text Solution

    |

  6. The output (X) of the logic circuit shown in figure will be

    Text Solution

    |

  7. In an unbiased p-n junction , holes diffuse from the p-region to n- re...

    Text Solution

    |

  8. One way in which the operation of a-n-p-n transistor differs from that...

    Text Solution

    |

  9. The output from a NAND gate is divided into two in parallel and fed to...

    Text Solution

    |

  10. The given graph represents V-I characteristic for semiconductor device...

    Text Solution

    |

  11. Which logic gate is represented by the following combination of logic ...

    Text Solution

    |

  12. If in a p-n junction,square input signal of 10 V is applied as shown T...

    Text Solution

    |

  13. For CE transistor amplifier, the, audio signal voltage across the coll...

    Text Solution

    |

  14. What is the output Y in the following circuit , When all the three inp...

    Text Solution

    |

  15. To get output 1 for the following circuit, the correct choice for the ...

    Text Solution

    |

  16. A small signal voltage V(t)=V0 sin omegat is applied across an ideal c...

    Text Solution

    |

  17. Consider the junction diode as ideal. The value of current flowing thr...

    Text Solution

    |

  18. A npn transistor is cnnected in common emitter configuration in a give...

    Text Solution

    |

  19. The given electrial network is equivalenf to:

    Text Solution

    |

  20. Which of the following represent forward bias diode ?

    Text Solution

    |