Home
Class 12
PHYSICS
A small cylindrical soft iron piece is k...

A small cylindrical soft iron piece is kept in a galvanometer so that

A

a radial magnetic field is produced

B

a uniform magnetic field is produced

C

there is a steady deflection of the coil

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
D
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

Describe the working principle of a moving coil galvanometer. Why is it necessary to use (i) a radial magnetic field and (ii) a cylindrical soft iron core in a galvanometer? Write the expression for current sensitivity of the galvanometer.

(a) How does a voltmeter differ from ammeter? (b) What is the main function of soft iron core used in a moving coil galvanometer?

By inserting a soft iron piece into a solenoid, the strength of the magnetic field

Why are pole pieces of galvanometer made concave?

A cold soft drink is kept on the balance. When the cap is open, then the weight

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A proton is projected with a uniform velocity 'v' along the axis of a ...

    Text Solution

    |

  2. A solenoid has length 0.4m, radius 1 cm and 400 turns of wire. If a cu...

    Text Solution

    |

  3. A small cylindrical soft iron piece is kept in a galvanometer so that

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. The resistance of an ideal ammeter is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |