Home
Class 12
PHYSICS
In an AC circuit the instantaneous value...

In an AC circuit the instantaneous values of emf and current are
`e=200sin300t` volt and `i=2sin(300t+(pi)/(3))` amp The average power consumed (in watts) is

A

200

B

100

C

50

D

400

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 109

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 22

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

In an AC circuit the instantaneous values of emf and current are e=200sin30t volt and i=2sin(300t+(pi)/(3)) amp The average power consumed (in watts) is

In an AC circuit, the instantaneous values of e.m.f and current are e=200sin314t volt and i=sin(314t+(pi)/3) ampere. The average power consumed in watt is

In an A.C. circuit the instantaneous values of e.m.f. And current are given by E=100 sin (200 t) volt and I=2 sin(200 t +(pi)/3) ampere. The average power consumed is the circuit is

In an a.c. circuit, the instantaneous e.m.f. and current are given by e=100sin30t I=20sin(30t-(pi)/(4)) In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively.

In an AC circuit,the instantaneous e.m.f.,and current are given by E=100sin30tI=20sin(30t-(pi)/(4)) In one cycle of AC,the average power consumed by the circuit and the wattless current are respectively

In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin( 30t-(pi)/(4)) In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively :

In LCR series circuit, an alternating e.m.f. 'e' and current 'I' are given by the equations e=100sin(100t) volt and I=100sin(100t+(pi)/(3))mA The average power dissipated in the circuit will be

In an AC circuit, the applied potential difference and the current flowing are given by V=20sin100tvolt,I=5sin(100t-pi/2) amp The power consumption is equal to

NTA MOCK TESTS-NTA JEE MOCK TEST 19-PHYSICS
  1. The masses of three copper wires are in the ratio 2:3:5 and their leng...

    Text Solution

    |

  2. A potential difference of 0.75V applied across a galvanometer causes a...

    Text Solution

    |

  3. In an AC circuit the instantaneous values of emf and current are e=2...

    Text Solution

    |

  4. The plates of a parallel plate capacitor are charged up to 200 V. A di...

    Text Solution

    |

  5. A point charge q is placed at a distance of R from the centre of a co...

    Text Solution

    |

  6. A cord of length 64 m is used to connected a 100 kg astronaut to space...

    Text Solution

    |

  7. Two masses m and M are attached to the strings as shown in the figure....

    Text Solution

    |

  8. Ice starts forming in lake with water at 0^(@)C and when the atmospher...

    Text Solution

    |

  9. A very long cylindrical wire is carrying a current I(0) distriuted uni...

    Text Solution

    |

  10. The inclined plane OA rotates in vertical plane about a horizontal axi...

    Text Solution

    |

  11. The time period of oscillations of a block attached to a spring is t(1...

    Text Solution

    |

  12. In a photoelectric experiment the relation between applied potential d...

    Text Solution

    |

  13. A liquid drop having surface energy E is spread into 512 droplets of s...

    Text Solution

    |

  14. A vessel completely filled with water has holes 'A' and 'B' at depths ...

    Text Solution

    |

  15. A thin prism of angle 15^(@) made of glass of refractive index mu(1)=1...

    Text Solution

    |

  16. The outpout Y of the logic circuit shown in figure is best represente...

    Text Solution

    |

  17. A uniform thin hemispherical shell is kept at rest and in equilibrium ...

    Text Solution

    |

  18. A thin equiconvex lens of refractive index 3//2 is placed on a horizon...

    Text Solution

    |

  19. In young's double-slit experiment, both the slits produce equal intens...

    Text Solution

    |

  20. When the forwward bias voltage of a diode is changed from 0.6 V to 0.7...

    Text Solution

    |