Home
Class 12
PHYSICS
In a pure capacitance used on an a.c. ci...

In a pure capacitance used on an a.c. circuit, the phase of the

A

Voltage leads the current

B

Voltage is in phase with the currrent

C

Voltage may lead or lag the current

D

Voltage may lead or lag the current

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER - 1

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

  • MODEL TEST PAPER - 8

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

In an ac circuit, the current :

What is a phasor? What is the phase difference between current and voltage in a purely capacitive ac circuit? Show the phase difference through a phasor diagram.

In an LCR series a.c. circuit, the voltage across each of the components L, C and R is 50 V. The voltage across LC combination will be

Define impedance of an AC circuit.

An a.c. voltage represented be e = 310 sin 314 t is connected in series to a 24 Omega resistor, 0.1 H inductor and a 25 muF capacitor. Find the value of the peak voltage rms voltage frequency rectus of the circuit impedance of the circuit and phase angle of the current. Data : R = 24 Omega, L = 0.1 H, C = 25 xx 10^(-6)F

The current in ac circuit will be wattless when :

For the arrangement of capacitors as shown in the circuit , the effective capacitance between the points A and B is (capacitance of each capacitor is 4 muF )

A series combination of R, L, C is connected to an a.c. source. If the resistance is 3 Omega and the reactance is 4 Omega , what is the power factor of the circuit ?

An inductance of (200/pi) mH, a capacitance of ((10^(-3))/(pi)) F and a resistance of 10 Omega are connected in series with an a.c source 220 V, 50 Hz.The phase angle of the circuit is

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 7-PHYSICS
  1. Photoelectric work function of a photoemissive metal depends on

    Text Solution

    |

  2. The frequency range of ultraviolet radiation is

    Text Solution

    |

  3. In a pure capacitance used on an a.c. circuit, the phase of the

    Text Solution

    |

  4. A moving coil galvanometer is converted intoan meterby connecting

    Text Solution

    |

  5. The plane of the coil of a T.G. is placed perpendicular to the magneti...

    Text Solution

    |

  6. When a sheet of dielectric is inserted between the two plates of a cap...

    Text Solution

    |

  7. A uniform wire of resistance R is stretched uniformly so that its leng...

    Text Solution

    |

  8. Surface density of change is maximum at the point where

    Text Solution

    |

  9. The vertical plane dip circle is perpendicular to the magnetic meridia...

    Text Solution

    |

  10. When a bar megnet is cut into two equal halves, the pole strength of e...

    Text Solution

    |

  11. if ip is the polarising angle and mu is the refractive index of the me...

    Text Solution

    |

  12. If the distance between the screen and the light source is reduced to ...

    Text Solution

    |

  13. RI for green light is 1.5. The deviation produced by a prism of angle ...

    Text Solution

    |

  14. The R.I.of diamond is 2.4 andthat of glass is 1.5. Then R.I. of galss ...

    Text Solution

    |

  15. The focal lengths of a lens for red,violet and green rays are Fr, Fv a...

    Text Solution

    |

  16. Snell's law of refraction does not hold good when the angle of inciden...

    Text Solution

    |

  17. The energy equivalent of 1 atomic mass unit is

    Text Solution

    |

  18. A candle flame gives

    Text Solution

    |

  19. The kinetic energy of the photoelectrons depends upon:

    Text Solution

    |

  20. The insertion of a new metal into a thermocouple

    Text Solution

    |