Home
Class 12
PHYSICS
When copper voltmeter is connected with ...

When copper voltmeter is connected with a battery of emf 12 V, 2 g of copper is deposited in 30 min. If the same voltmeter is connected across a 6 V battery, then the mass of copper deposited in 45 min would be

A

1 g

B

1.5 g

C

2 g

D

2.5 g

Text Solution

Verified by Experts

The correct Answer is:
B
m=zit
m=1.5g
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    BITSAT GUIDE|Exercise Bitsat Archives|26 Videos

  • CATHODE RAY, PHOTOELECTRIC EFFECT AND X-RAYS

    BITSAT GUIDE|Exercise BITSAT Archives|6 Videos

  • ELECTRIC CAPACITOR

    BITSAT GUIDE|Exercise BITSAT archives|6 Videos

Similar Questions

Explore conceptually related problems

when a copper votameter is connected with a battery of emf 12V,2g of copper is deposite in 30 min. if the same voltmeter is connected across a 6V battery then the mass of copper deposite in 45 min would be

A silver and a copper voltameter are connected in series with a 12.0 V battery of negligible resistance. It is found that 0.806g of silver is deposited in half an hour.Find (a) the mass of the copper deposited and (b) the energy supplied by the battery. ECE of silver = 1.12 xx 10^(-6) kg C^(-1) and that of copper = 6.6 xx 10^(-7) kg C^(-1)

50 Omega and 100 Omega resistors are connected in series. This connection is connected with a battery of 24 volts. When a voltmeter of 100 Omega resistance is connected across 100 Omega resistor, then the reading of the voltmeter will be

A silver and a copper voltameter are connected in series with a 12.0 V battery of negligible internal resistance . 0.806 g of silver is deposited in half an hour in the silver voltameter. Calculate (i) magnitude of current flowing in the cicuit (ii) mass of copper deposited in the copper voltameter during the same period. Given that ECE of silver 1.12xx10^(-8) kg C^(-1)

BITSAT GUIDE-CURRENT ELECTRICITY-Bitsat Archives
  1. When copper voltmeter is connected with a battery of emf 12 V, 2 g of ...

    Text Solution

    |

  2. Ohms law says

    Text Solution

    |

  3. A current 4.0 A exist in a wire of cross-sectional area 2.0 mm^(2). If...

    Text Solution

    |

  4. What will be the value of current I in the circuit shown ?

    Text Solution

    |

  5. In the given circuit (as shown in figure), each capacitor has a capaci...

    Text Solution

    |

  6. Three bulbs X, Y and Z are connected as shown in figure. The bulbs Y a...

    Text Solution

    |

  7. In the circuit shown, the value of I in ampere is

    Text Solution

    |

  8. In the circuit shown below, the ammeter reading is zero. Then, the val...

    Text Solution

    |

  9. A steady current flow in a metallic conductor of non-uniform cross-sec...

    Text Solution

    |

  10. Two bulbs which consume powers P(1) " and P(2) are connected in series...

    Text Solution

    |

  11. Three conductors draw respectively currents of 1 A, 2 A and 4 A when c...

    Text Solution

    |

  12. 24 identical cells, each of internal resistance 0.5 Omega, are arrange...

    Text Solution

    |

  13. A wire is stretched as to change its diameter by 0.25%. The percentage...

    Text Solution

    |

  14. If in the circuit shown below, the internal resistance of the battery ...

    Text Solution

    |

  15. When the potential difference applied across a solid conductor is incr...

    Text Solution

    |

  16. A box with two terminals is connected in series with a 2 V battery, an...

    Text Solution

    |

  17. A current of 2 A flows in an electric circuit as shown in figure. The ...

    Text Solution

    |

  18. When a battery connected across a resistor of 16 Omega, the voltage ac...

    Text Solution

    |

  19. If a rod has resistance 4 Omega and if rod is turned as half circle, t...

    Text Solution

    |

  20. In the circuit, the potential difference across PQ will be nearest to

    Text Solution

    |

  21. Each resistance shown in figure is 2 Omega. The equivalent resistance ...

    Text Solution

    |