Home
Class 12
PHYSICS
A hot wire ammeter reads 10A in A.C. cir...

A hot wire ammeter reads `10A` in A.C. circuit. The peak value of the current is

A

`10sqrt(2)A`

B

`(10)/(sqrt(2))A`

C

`5piA`

D

`(20)/(pi)A`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|158 Videos
  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise EVALUATION TEST|8 Videos
  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

If an AC ammeter reads I A in an AC circuit, then the peak value of the current is

The peak value of 220 a.c. is

In an A.C. circuit the current

If reading of an ammeter is 10 A, the peak value of current is

In an A.C. circuit the peak value of voltage is 424V. Its effective voltage is

A dc ammeter and a hot wire ammeter are connected to a circuit in series. When a direct current is passed through circuit, the dc ammeter shows 6 A. When ac current flows through circuit, the ac ammeter shows 8A. What will be reading of each ammeter if dc and ac current flow simulataneously through the circuit?

Find the ammeter reading in the circuit

The ammeter reading in the given circuit is

TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-CRITICAL THINKING
  1. The instantaneous current in a circuit is, I=sin(omegat+phi) ampere. W...

    Text Solution

    |

  2. An alternating voltage of e=100sqrt(2)sin(100t) volt is connected to a...

    Text Solution

    |

  3. A hot wire ammeter reads 10A in A.C. circuit. The peak value of the cu...

    Text Solution

    |

  4. A 40Omega electric heater is connected to a 200V, 50Hz main supply. Th...

    Text Solution

    |

  5. A 20volts AC is applied to a circuit consisting of a resistance and a...

    Text Solution

    |

  6. Instantaneous values of current and e.m.f in an AC circuit are I=I//s...

    Text Solution

    |

  7. The rms value of an ac of 50Hz is 10A. The time taken by an alternatin...

    Text Solution

    |

  8. The r.m.s value of induced voltage in a coil of 50 turns each of area ...

    Text Solution

    |

  9. An alternating e.m.f. of 100V (rms) is applied to a series LCR circuit...

    Text Solution

    |

  10. A 10muF capacitor is connected across a 200V, 50Hz A.C. supply. The pe...

    Text Solution

    |

  11. The reactance of capacitor at 50Hz is 10Omega. What will be its reacta...

    Text Solution

    |

  12. The reactance of a capacitor in an A.C. circuit is 10Omega. If the fre...

    Text Solution

    |

  13. A resistance of 10Omega, an inductance of ((2)/(pi)) henry and a capac...

    Text Solution

    |

  14. The inductive reactance of a coil is 1000Omega. If its inductance and ...

    Text Solution

    |

  15. In a series A.C. circuit , R=100Omega, X(L)=300Omega and X(C )=200Omeg...

    Text Solution

    |

  16. An inductive coil has resistance of 100 Omega. When an ac signal of fr...

    Text Solution

    |

  17. A series RLC circuit has the following values R=20Omega, X(L)=10Omega....

    Text Solution

    |

  18. When 100 V DC is applied across a solenoid, a current of 1.0 A flows i...

    Text Solution

    |

  19. It is found that the current in the circuit is 0.50A with D.C. source ...

    Text Solution

    |

  20. A variable capacitor and an inductive coil with negligible resistance ...

    Text Solution

    |