Home
Class 12
PHYSICS
If in a moving coil galvanometer, a curr...

If in a moving coil galvanometer, a current I produces a deflection `theta`, then

A

`I prop tan theta`

B

`I prop theta`

C

`I prop theta^(@)`

D

`I prop sqrt(theta)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|68 Videos
  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

In a tangent galvanometer a current of 0.1 A produces a deflection of 30^(@) . The current required to produce a deflection of 60^(@) is

In a moving coil galvanometer , a radial magnetic field is produced due to the

The deflection in a moving coil galvanometer is

A current of 0.5 A prioduces a deflection of 45^(@) in a tangent galvanometre. What current will produce a deflection of 30^(@) in the same tangent galvanometer.

In a moving coil galvanometer, the deflection of the coil theta is related to the electric current i by the relation

A current of 10^(-5)A produced a deflection of 10^(@) in a moving coil galvanometer . A current of 10^(-6)amp in the same galvanometer produces a deflection of 1^(@)

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A small cylindrical soft iron piece is kept in a galvanometer so that

    Text Solution

    |

  2. In a moving coil galvanometer, the deflection of the coil theta is rel...

    Text Solution

    |

  3. If in a moving coil galvanometer, a current I produces a deflection th...

    Text Solution

    |

  4. A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1...

    Text Solution

    |

  5. The magnets of two suspended coil galvanometer are of the same strengt...

    Text Solution

    |

  6. A recantagular coil of length 0.12 m and width 0.1 m having 50 turn...

    Text Solution

    |

  7. The resistance of an ideal ammeter is

    Text Solution

    |

  8. Assertion : Higher the range, greater is the resistance of ammeter. ...

    Text Solution

    |

  9. In a ammeter 0.2% of main current passes through the galvanometer. If ...

    Text Solution

    |

  10. In a ammeter 0.2% of main current passes through the galvanometer. If ...

    Text Solution

    |

  11. The resistance of a galvanometer is 90 ohms. If only 10 percent of the...

    Text Solution

    |

  12. A galvanometer whose resistance is 120 Omega gives full scale deflecti...

    Text Solution

    |

  13. What is the value of shunt resistance required to convert a galvanomet...

    Text Solution

    |

  14. A galvanometer of resistance 99 Omega requires 5 mA current for full s...

    Text Solution

    |

  15. A galvanometer having a coil resistance of 100 omega gives a full scal...

    Text Solution

    |

  16. What is the reading of ammeter shown in the figure below ?

    Text Solution

    |

  17. For the galvanometer working as voltmeter is connected with the coil ...

    Text Solution

    |

  18. Assertion : An ammeter is always connected in series whereas a voltmet...

    Text Solution

    |

  19. When a resistance of 100Omega is connected in series with a galvanomet...

    Text Solution

    |

  20. A range of galvanometer is V, when 50Omega resistance is connected in ...

    Text Solution

    |