Home
Class 12
PHYSICS
In the given circuit, no current is pass...

In the given circuit, no current is passing through the galvanometer. If the cross-sectional diamter of `AB` is doubled then for null point of galvanomter the value of `AC` would

A

2X

B

X

C

`X/2`

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-1 (Part-3)|2 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-1)|25 Videos
  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-1 (Part-1)|46 Videos
  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos
  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

In the given circuit, no current is passing through the galvanometer. If the cross sectional diameter of the wire AB is doubled, then for null point of galvanometer, the value of AC would be:

in the given circuit current through the galvanometer is

In an ammeter, 4% of the total current is passing through the galvanomter. If the shunt resistance is 5 Omega , then the resistance is Omega , then the resistance of the galvanometer will be

In a circuit 5 percent of total current passes through a galvanometer. If resistance of the galvanometer is G then value of the shunt is

In the given circuit if no current flows through 5 Omega , what is the value of R so that effective resistance across AB is 4 Omega ?

In the meter bridge circuit shown, the null point is obtained at C (AC = x) on the wire AB. If the diameter of the wire AB is doubled, the position of the new null point C' will correspond to

When the switch S is closed in the given circuit, the current passed through it is

In the given circuit the current is to be measured the value of the current if the ammeter shown is a galvanometer with a resistance R_(g)=60 omega is

RESONANCE-CURRENT ELECTRICITY-Exercise-1 (Part-2)
  1. In the circuit shown in Fig.6.2, the heat produced in 5Omega resistor,...

    Text Solution

    |

  2. A 50 W bulb is in series with a room heater and the combination is con...

    Text Solution

    |

  3. The equivalent resistance between the points A and B is:

    Text Solution

    |

  4. A battery of internal resistance 4Omega is connected to the network of...

    Text Solution

    |

  5. In these circuits all the batteries are indentical and have negllgible...

    Text Solution

    |

  6. Two nonideal batteries are connected in parallel. Consider the followi...

    Text Solution

    |

  7. Twelve cells each having the same e.m.f are connected in series and...

    Text Solution

    |

  8. Two cells of e.m.f. 10V & 15V are connected in parallel to each other ...

    Text Solution

    |

  9. N sources of current with different emf's are connected as shown in Fi...

    Text Solution

    |

  10. The reading of voltmeter is

    Text Solution

    |

  11. The length of a wire of a potentiometer is 100 cm, and the e.m.f. of i...

    Text Solution

    |

  12. The current through the ammeter shown in figure is 1 A. If each of the...

    Text Solution

    |

  13. The ammeter shown in the figure consists of a 480Omega coil conneted i...

    Text Solution

    |

  14. A galvanometer together with an unkonwn resistance in series is connec...

    Text Solution

    |

  15. A potentiometer wire of length 100 cm has a resistance of 100Omega it ...

    Text Solution

    |

  16. The potentiometer wire AB shown in figure is 50cm long.When AD=30cm, n...

    Text Solution

    |

  17. The current in a conductor and the potential difference across its end...

    Text Solution

    |

  18. In the given circuit, no current is passing through the galvanometer. ...

    Text Solution

    |

  19. In the circuit P != R, the reading of the galvanometer is same with s...

    Text Solution

    |

  20. Salt water contains n sodium ions (Na+) per cubic meter and n chloride...

    Text Solution

    |