Home
Class 12
PHYSICS
The potential difference between the ter...

The potential difference between the terminals of a battery of emf 6.0V and internal resistance`1 (Omega)`drops to 5.8 V when connected across an external resistor. Find the resistance of the external resistor.

A

`49Omega`

B

`25 Omega`

C

`31 Omega`

D

`43 Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-2 (Part-2)|16 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-2 (Part-3)|22 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-1 (Part-3)|2 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE ENGLISH|Exercise Exercise 3|13 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

The potential difference across the terminals of a battery of emf 12 V and internal resistance 2 Omega drops to 10 V when it is connected to a silver voltameter. Find the silver deposited at the cathode in half an hour. Atomic weight of silver is 107.9 g mol^(-1) .

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance 1.5(Ω). Find the current flow through battery ?

A battery of emf 2 V and initial resistance 1 Omega is connected across terminals A and B of the circuit shown in figure .

A car battery of emf 12V and internal resistance 0.05 omega receives a current of 60 A from an external source, then the terminal potential difference of the battery is

24 cells, each of emf 1.5V and internal resistance is 2Omega connected to 12Omega series external resistance. Then,

A battery of e.m.f. 15 V and internal resistance 3 Omega is connected to two resistors 3 Omega and 6 Omega connected in parallel. Find : the current in 6 Omega resistor.

A battery of emf 2.0 V and internal resistance 0.10 Omega is being charged with a current of 5.0 A . Find the potential difference between the terminals of the battery?

A capacitor of capacitance 1muF is connected in parallel with a resistance 10Omega and the combination is connected across the terminals of a battery of EMF 50 V and internal resistance 1Omega . The potential difference across the capacitor at steady state is (in Volt)

A battery of e.m.f. 15 V and internal resistance 3 Omega is connected to two resistors 3 Omega and 6 Omega connected in parallel. Find : the current in 3 Omega resistor,

Two cells having emf's of 10 V and 8 V, and internal resistance of 1Omega (each) are connected as shown with an external resistance of 8Omega Find the current flowing through the circuit.

RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-2 (Part-1)
  1. If a copper wire is stretched to make it 0.1% longer, then the percent...

    Text Solution

    |

  2. The potential difference between the terminals of a battery of emf 6.0...

    Text Solution

    |

  3. A solid sphere of radius R is charged uniformly. The electrostatic pot...

    Text Solution

    |

  4. A cell of emf E having an internal resistance R varies with R as shown...

    Text Solution

    |

  5. In a circuit shown in Fig, resistances R(1) and R(2) are known , as w...

    Text Solution

    |

  6. A resistor R is conneted to a parallel combination of two identical ba...

    Text Solution

    |

  7. The equivalent resistance between A and B will be (in Omega)

    Text Solution

    |

  8. Six wires each of resistance r form a tetrahedron. The equivalent resi...

    Text Solution

    |

  9. The equivalent resistance between points A and B is

    Text Solution

    |

  10. In the question find the resistacnce between points 1-3.

    Text Solution

    |

  11. The effective resistance between points P and Q of the electrical ci...

    Text Solution

    |

  12. A 100 W bulb B(1) and two 60W bulbs B(2) and B(3), are connected to a ...

    Text Solution

    |

  13. When a galvanometer is shunted with a 4 Omega resistance, the deflecti...

    Text Solution

    |

  14. In the circuit shown the reading of ammeter and voltmeter are 4 A and ...

    Text Solution

    |

  15. In the circuit shown in figure reading of voltmeter is V(1) when only ...

    Text Solution

    |

  16. If the reading of ammeter A(3) in figure is 0.75 A. Neglecting the res...

    Text Solution

    |

  17. The resistance of the rheostat shown in figure is 30(Omega). Neglectin...

    Text Solution

    |

  18. An ammeter and a voltmeter are joined in series to a cell. Their readi...

    Text Solution

    |

  19. An ammeter and a voltmeter are connected in series to a battery of emf...

    Text Solution

    |

  20. A galvanometer having resistance of 50 Omega requires a current of 100...

    Text Solution

    |