Home
Class 12
PHYSICS
The instantaneous current and volatage o...

The instantaneous current and volatage of an AC circuit are given by
`i = 10 sin (314 t) A and V = 100 sin (314 t) V`
What is the power dissipation in the circuit?

A

100 W

B

500 W

C

300 W

D

200 W

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 31

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 33

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The instantaneous current and voltage of an a.c. circuit are given by i=0 sin 3000 t A and v=200 sin 300 t V. What is the power dissipation in the circuit?

The instantaneous current and voltage of an a.c. circuit are given by i=10 sin 300 t, V=100 sin 300 t V .What is the power dissipation in the circuit?

[" 2.The instantaneous current "],[" and voltage of an a.c.circuit "],[" are given by "i=10sin314tA],[" and "v=50sin(314t+pi/2)V" ."],[" What is the power dissipation "],[" in the circuit ?* "]

In an AC circuit V and I are given by V = 100 sin 100t V and I = 100 sin (100t + pi//3) mA. The power dissipated in the circuit is

The voltage and current in a series AC circuit are given by V = V_0 cos omegat and I = i_0 sin omegat . What is the power dissipated in the circuit?

In an A.C. circuit, V and I are given by V = 100 sin ( 100t) volt. I = 100 sin ( 100 t + pi //4) mA The power dissipated in the circuit is

In an a.c circuit, V & I are given by V = 100 sin (100 t) volt. I = 100 sin (100 t + (pi)/(2)) mA The power dissipated in the circuit is:

In an circuit, V and I are given by V=150sin(150t) V and I =150sin(150t+(pi)/(3))A . The power dissipated in the circuit is

NTA MOCK TESTS-NTA NEET SET 32-PHYSICS
  1. A circuit is connected as shown in the figure with the switch S open. ...

    Text Solution

    |

  2. Two spheres of radii 2 cm and 3 cm are charged to the same potential. ...

    Text Solution

    |

  3. The instantaneous current and volatage of an AC circuit are given by ...

    Text Solution

    |

  4. The line AA' is on a charged infinite conducting plane which is perpen...

    Text Solution

    |

  5. If the voltage across 500 Omega is 5 V. then R2 is

    Text Solution

    |

  6. An infinite conducting sheet has surface charge density sigma. The dis...

    Text Solution

    |

  7. The dimensional formula for magnetic flux is

    Text Solution

    |

  8. A cooling curve is plotted between the temperature of a hot body and t...

    Text Solution

    |

  9. Escape velocity of a body from the surface of earth is 11.2km/sec. fro...

    Text Solution

    |

  10. An iron rod of length 50 cm is joined at an end to an aluminum rod of ...

    Text Solution

    |

  11. The coefficient of thermal conductivity of copper is nine times that o...

    Text Solution

    |

  12. A thermo-dynamical system is changed from state (P(1),V(1)) to (P(2),...

    Text Solution

    |

  13. A current I flows along the length of an infinitely long, straight , ...

    Text Solution

    |

  14. A conducting rod of 1 m length and 1 kg mass is suspended by two verti...

    Text Solution

    |

  15. A straight wire of length 0.5 metre and carrying a current of 1.2 ampe...

    Text Solution

    |

  16. The minimum force required to move a body up on an inclined plane is t...

    Text Solution

    |

  17. A radioactive sample S(1) having the activity A(1) has twice the numbe...

    Text Solution

    |

  18. Half-life of a radioactive substance A is 4 days. The probability that...

    Text Solution

    |

  19. According to Einstein's photoelectric equation , the graph between the...

    Text Solution

    |

  20. A smooth spherical ball of radius 1cm and density 4xx10^(3)kg//m^(3) i...

    Text Solution

    |