Home
Class 12
PHYSICS
The current sensitivity of a moving coil...

The current sensitivity of a moving coil galvanometer can be increased by

A

decreasing the number of turns of coil

B

increasing the number of turns of coil

C

decreasing the area of a coil

D

by using a weak magnet

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

Write two factors by which the current sensitivity of a moving coil galvanometer can be increased?

Sensivitivity of a moving coil galvanometer can be increased by

The current sensitivity of a moving coil galvanometer increases by 35% , when its resistance is increased by a factor 3. The voltage sensitivity of galvanometer changes by a factor

If the current current sensitivity of a moving coil galvanometer is increased by 20% , its resistance also increases by 1*5 times. How will the voltage sensitivity of the galvanometer be affected?

The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is dubled calculate, by what factor does the voltage sensitivity change?

The current sensitivity of a moving coil galvanometer increases by 20% when its resistance is increased by a factor 2. Calculate by what factor does the voltage sensitivity change?

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A galvanometer coil has a resistance of 50 Omega and the meter shows f...

    Text Solution

    |

  2. A voltmeter reads 6 V at full scale deflection and is graded as 3000 O...

    Text Solution

    |

  3. The current sensitivity of a moving coil galvanometer can be increased...

    Text Solution

    |

  4. Three moving coil galvanometer A,B and C are made of coils of thr...

    Text Solution

    |

  5. Assertion : The sensitivity of a moving coil galvanometer is increased...

    Text Solution

    |

  6. The magnetic field at the centre of the M.C.G. is 0.25 T. The coil has...

    Text Solution

    |

  7. Current sensitivity of a galvanometer is x div/mm and voltage sensitiv...

    Text Solution

    |

  8. Current senstivity of moving coil galvanometer is 5 "div"//mA and its ...

    Text Solution

    |

  9. The coild of a galvanometer consists of 100 turn and effective area 1 ...

    Text Solution

    |

  10. The senstivity of a moving coil galvanometer is 'S'. If a shunt of (1/...

    Text Solution

    |

  11. Cyclotron is used to accelerate

    Text Solution

    |

  12. A proton of mass m and charge q is moving in a plane with kinetic ener...

    Text Solution

    |

  13. In cyclotron for a given magnet radius of the semicircle traced by pos...

    Text Solution

    |

  14. An electron is moving in a circle of radius 'r' in a uniform magnetic ...

    Text Solution

    |

  15. In the cyclotron, as radius of the circular path of the charged partic...

    Text Solution

    |

  16. In a cyclotron, the angular frequency of a charged particle is indepen...

    Text Solution

    |

  17. Two particles X and Y with equal charges, after being accelerated thro...

    Text Solution

    |

  18. A beam of electrons is accelerated through a potential difference V. I...

    Text Solution

    |

  19. A charged particle is moving in a uniform magnetic field in a circular...

    Text Solution

    |

  20. An electron having mass 9.1 xx 10^(-11) kg, charge 1.6 xx 10^(-19) C a...

    Text Solution

    |