Home
Class 12
PHYSICS
A 40Omega electric heater is connected t...

A `40Omega` electric heater is connected to a 200 V , 50 Hz mains supply. The peak value of electric current flowing in the circuit is approximately

A

`2.5` A

B

`5.0`A

C

`7 A`

D

`10 A`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise EFFICIENT|49 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos
  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-G|10 Videos
  • ELECTROSTATICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|89 Videos

Similar Questions

Explore conceptually related problems

A 44 mH inductor is connected to 220 V, 50 Hz ac supply. The rms value of the current in the circuit is

A 30 mu F capacitor is connected to a 150 V, 60 Hz ac supply. The rms value of current in the circuit is

A 44 mH inductor is connected to 220 V, 50 Hz a.c. supply. Determine rms value of current in the circuit.

A 60muF capacitor is connected to a 110V, 60 Hz AC supply determine the rms value of the curent in the circuit.

A 40 micro F capacitor is connected to a 200V, 50 Hz ac supply. Rms value of current in circuit is nearly

A 60 mu F capacitor is connected to a 110 V, 60 Hz a.c. supply Determine the r.m.s value of current in the circuit.

A 60 mu F capacitor is connected to a 110 V, 60 Hz a.c. supply Determine the r.m.s value of current in the circuit.

A 100 Omega resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?

A 100 Omega resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?

A 200Omega resistor is connected to a 220 V, 50 Hz AC supply. Calculate rms value of current in the circuit. Also find phase difference between voltage and the current.

VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -ENABLE
  1. A generator produces a time varying voltage given by V=240 sin 120 t, ...

    Text Solution

    |

  2. A sinusoidal ac current flows through a resistor of resistance R . If ...

    Text Solution

    |

  3. A 40Omega electric heater is connected to a 200 V , 50 Hz mains supply...

    Text Solution

    |

  4. The rms value of an AC of 50Hz is 10 A. the time taken by an alternati...

    Text Solution

    |

  5. The root mean square value of the alternating current is equal to

    Text Solution

    |

  6. The potential differences V and the current i flowing through an instr...

    Text Solution

    |

  7. In an AC circuit , the potential difference V and current I are given ...

    Text Solution

    |

  8. Alternating current can not be measured by D.C. Ammeter because

    Text Solution

    |

  9. In an ac circuit l=100 sin 200 pi t . The time required for the curren...

    Text Solution

    |

  10. The peak value of Alternating current is 6amp, then r.m.s. value of cu...

    Text Solution

    |

  11. The peak value of an alternating emf E given by E = underset(o)(E) ...

    Text Solution

    |

  12. In an ac circuit , the instantaneous value of emf and current areE=200...

    Text Solution

    |

  13. The average power is dissipated in a pure inductor is

    Text Solution

    |

  14. An AC of frequency f is flowing in a circuit containing a resistance R...

    Text Solution

    |

  15. A resonant AC circuit contains a capacitor of capacitance 10^(-6)F and...

    Text Solution

    |

  16. Power delivered by the source of the circuit becomes maximum , when :

    Text Solution

    |

  17. An alternating voltage is connected in series with a resistance R and ...

    Text Solution

    |

  18. An inductive circuit contains a resistance of 10 ohm and an inductance...

    Text Solution

    |

  19. A resistance of 300Omega and an inductance of 1/(pi) henry are connect...

    Text Solution

    |

  20. The power factor of LCR circuit at resonance is-

    Text Solution

    |