Home
Class 12
PHYSICS
An ammeter reads upto 1 ampere. Its inte...

An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. To increase the range to 10 A the value of the required shunt is

A

`0.03 Omega`

B

`0.3Omega`

C

`0.9Omega`

D

`0.09Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • CIRCUITS

    RESNICK AND HALLIDAY|Exercise Practice Questions (More than One Correct Choice Type)|12 Videos
  • CIRCUITS

    RESNICK AND HALLIDAY|Exercise Practice Questions (Linked Comprehension)|11 Videos
  • CIRCUITS

    RESNICK AND HALLIDAY|Exercise Problems|45 Videos
  • CENTER OF MASS

    RESNICK AND HALLIDAY|Exercise Practice Questions (Integer )|4 Videos
  • CIRCULAR MOTION

    RESNICK AND HALLIDAY|Exercise CHECK POINTS|6 Videos

Similar Questions

Explore conceptually related problems

A milliammeter of range 10 mA has a coli of resistance 1 Omega . To use it as an ammeter of range 1 A , the required shunt must have a resistance of

Assertion : Higher the range, greater is the resistance of ammeter. Reason : To increase the range of ammeter, additional shunt needs to be used across it.

In the above question, if the internal resistance of the battery is 1 ohm , then what is the reading of ammeter

A voltmeter of resistance G ohm has range V volt. To increase its range upto (nV), one must connect

A voltmeter has resistance of 2000 ohms and it can measure upto 2 V . If we want ot increase its range to 10 V then the, required resistance in series will be

A voltmeter of 250 mV range having a resistance of 10 Omega is converted into an ammeter of 250 mA range. The value of necessary shunt is (nearly)

An ammeter of resistance R gives a full scale deflection when a current of 30 A is passed through it. We eant to convert it into an ammeter to measure the current only upto 10A. The value of the shunt required for this is

An ammeter has a resistance R and a range I. To increase its range to nL, the resistance that should be connected in parallel with it, is given by

An ammeter of 100 Omega resistance gives full deflection for the current of 10^(-5) amp . Now the shunt resistance required to convert it into ammeter of 1 amp . range, will be

A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has a coil of resistance 480 ohm and a shunt of 20 ohm , the reading in the ammeter will be

RESNICK AND HALLIDAY-CIRCUITS-Practice Questions (Single Correct Choice Type)
  1. An ideal battery is connected to a circuit of four resistors as shown ...

    Text Solution

    |

  2. If voltage V is applied across terminals a and b of the circuit shown ...

    Text Solution

    |

  3. If the four light bulbs in the following figure are identical which ci...

    Text Solution

    |

  4. Which circuit diagram shows voltmeter V and ammeter A correctly positi...

    Text Solution

    |

  5. When a capacitor is discharged through a resistor, which of the follow...

    Text Solution

    |

  6. Two identical resistors of magnitude R and two identical capacitors of...

    Text Solution

    |

  7. A capacitor of capacity C is charged to a steady potential difference ...

    Text Solution

    |

  8. When the switch is closed in the circuit as shown in the following fig...

    Text Solution

    |

  9. If in the circuit, power dissipation is 150 W. then R is

    Text Solution

    |

  10. A wire when connected to 220 V mains supply has power dissipation P1. ...

    Text Solution

    |

  11. The mass of product liberated on anode in an electrochemical cell dep...

    Text Solution

    |

  12. The negative Zn pole of a Daniell cell, sending a constant current thr...

    Text Solution

    |

  13. An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. T...

    Text Solution

    |

  14. The length of a given cylindrical wire is increased by 100%. Due to th...

    Text Solution

    |

  15. The thermo e.m.f. of a thermo- couple is 25 muV//^@C at room temperatu...

    Text Solution

    |

  16. The length of a wire of a potentiometer is 100 cm, and the emf of its ...

    Text Solution

    |

  17. The electrochemical equivalent of a metal is 3.35109^(-7) kg per Coulo...

    Text Solution

    |

  18. The thermistors are usually made of

    Text Solution

    |

  19. If a given volume of water in a 220 V heater is boiled in 5 min, then...

    Text Solution

    |

  20. If two bulbs of wattage 25 and 100 respectively each rated at 220 volt...

    Text Solution

    |