Home
Class 12
PHYSICS
A moving coil galvanometer A has 100 tur...

A moving coil galvanometer A has 100 turns and resistance `10Omega`. Another goal galvanometer B has 50 turns and `5 Omega`. The other quantities are same in both the cases. Then the voltange sensitivity of

A

A is greater than that of B

B

B is greater than that of A

C

A and B in Same

D

Cannot be compared

Text Solution

Verified by Experts

The correct Answer is:
3

`(theta)/(V)=(NAB)/(CG)`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise ILLUSTRATION|58 Videos
  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise C.U.Q (AMPERE.S CIRCUITAL LAW MAGNETIC FIELD DUE TO STRAIGHT CONDUCTOR )|28 Videos
  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise Level =I (H.W)|42 Videos
  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos
  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

A moving coil galvanometer A has 200 turns and resistance 100 Omega . Another meter B has 100 turns and resistance 40 Omega . All the other quantities are same in both the cases. The current sensitivity of

A moving coil galvanometer has a resistance of 990Omega. in order to send only 10% of the main currect through this galvanometer, the resistance of the required shunt is

A moving coil galvanometer has 100 turns and a resistance of 10ohm. The coil is 5 cm long and 4 cm wide. A potential difference of 100mV produces a full scale deflection ( the coil is turned through 60^@ ). The flux density in the gap is 1000G . The required torque of the controlling spring is

A moving coil galvanometer of resistance 100Omega is used as an ammeter using a resistance 0.1 Omega . The maximum diflection current in the galvanometer is 100 muA . Find the minimum current in the circuit so that the ammeter shows maximum deflection

When a moving coil galvanometer is shunted with a resistance of 10 Omega ,the deflection in the galvanometer reduces from 30 divisions to 6 divisions. The resistance of the galvanometer is

A moving coil galvanometer of resistance 5 Omega has voltage sensitivity 2 div per mV. Its current sensitivity in div per mA is

A moving coil galvanometer has resistance 50 Omega and it indicates full deflection at 4 mA current. A voltmeter is made using this galvanometer and a 5 k Omega resistance. The maximum voltage, that can be measured using this voltmeter (in volts) will be __________.

A moving coil galvanometer has 50 turns and each turn has an area 210 . The magnetic field produced by the magnet inside the galvanometer is 0.02 . The torsional constant of the suspension wire is 10 . When a current flows through the galvanometer, a full scale deflection occurs if the coil rotates by 0.2 . The resistance of the coil of the galvanometer is 50 . This galvanometer is to be converted into an ammeter capable of measuring current in the range 01.0 . For this purpose, a shunt resistance is to be added in parallel to the galvanometer. The value of this shunt resistance, in , is __________.

A moving coil galvanometer needs a current of 100muA for a full scale deflecion of 50 divisions. If the resistance of the galvanometer is 1000 Omega, then its current senstivity is

NARAYNA-MOVING CHARGES AND MAGNETISM-Level -II (H.W)
  1. A long solenoid has 200 turns per cm and carries a current i. The magn...

    Text Solution

    |

  2. A proton moving in a perpendicular magnetic field possesses kinetic en...

    Text Solution

    |

  3. Electrons accelerated by a potential differnece V enter a uniform magn...

    Text Solution

    |

  4. An electron is shot in steady electric and magnetic field E and magnet...

    Text Solution

    |

  5. A beam of protons with a velocity of 4 X 10 ^5 ms^(-1) enters a unifor...

    Text Solution

    |

  6. A unifrom magnetic field B is acting from south to north and is of m...

    Text Solution

    |

  7. An electron travelloing with a velocity bar(V)=10^(7) hat(i)m//s enter...

    Text Solution

    |

  8. A magnetic field of (4.0xx10^-3hatk)T exerts a force (4.0hati+3.0hatj)...

    Text Solution

    |

  9. A unifrom conducting wire ABC has a mass of 10g. A current of 2 A flo...

    Text Solution

    |

  10. A straight conductor carrying a current is kept in a uniform magnetic ...

    Text Solution

    |

  11. Two long parallel wires are separated by a distance of 2m. They carry ...

    Text Solution

    |

  12. Three very long straight thin wires are connected parallel to each oth...

    Text Solution

    |

  13. Three long straight conductors are arranged parallel to each other in ...

    Text Solution

    |

  14. A wire of length l is bent in the form a circular coil of some turns. ...

    Text Solution

    |

  15. A moving coil galvanometer A has 100 turns and resistance 10Omega. Ano...

    Text Solution

    |

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

    Text Solution

    |

  17. The deflection in a moving coil galvanometer falls from 100 divisions ...

    Text Solution

    |

  18. A galvaono metre required 10 mu A. for one division of its scale. It i...

    Text Solution

    |

  19. The scale of a galvanometer of resistance 100 ohms contains 25 divisio...

    Text Solution

    |

  20. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |