Home
Class 12
PHYSICS
Difference Between Potential Difference ...

Difference Between Potential Difference And Emf

Text Solution

Verified by Experts

The correct Answer is:
`1 m//s`


By definition of `e : e = (v_(2) - v_(1))/(u_(1) - u_(2))`, we have `0.8 = ( V + 5)/(10 - 5) rArr v = 1 m//s`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ALLEN |Exercise EXERCISE-III|26 Videos
  • CURRENT ELECTRICITY

    ALLEN |Exercise EXERCISE-IV A|32 Videos
  • CIRCULAR MOTION

    ALLEN |Exercise EXERCISE (J-A)|6 Videos
  • GEOMETRICAL OPTICS

    ALLEN |Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

Explain cell, emf and internal resistance. Derive relation between potential difference emf and internal resistance.

The difference between potential energy and kinetic energy is called mechanical energy.

Difference between Three Domains

The equivalent resistance and potential difference between A and B for the circuit is respectively

The phase difference between the alternating current and emf is pi/2 rad. Which of the following cannot be the constituent of the circuit ?

What is the difference between lenticels and stomata ?

Give the difference between gravitational potential energy and gravitational potential.

The potential difference between the terminals of a cells is found to be 3 volts when it is connected to a resistance equal to its internal resistance. The e.m.f. of the cell is:-

For a cell, the graph between the potential difference (V) across the terminals of the cells and the current I drawn from the cell is as shown in figure. Calculate the e.m.f. and the internal resistance of the cell.

In the following circuit diagram the value of resistance X for the potential difference between B and D is zero:-

ALLEN -CURRENT ELECTRICITY-EX.II
  1. Difference Between Potential Difference And Emf

    Text Solution

    |

  2. In the Bohr's model of hy drogen atom, the electron moves around the n...

    Text Solution

    |

  3. Lengths and cross-sectional areas of three copper wires are (l, A ), (...

    Text Solution

    |

  4. When a piece of aliminium wire of finite length is drawn through a ser...

    Text Solution

    |

  5. Every atom makes one free electron in copper. If 1.1 ampere current is...

    Text Solution

    |

  6. A metal wire of resistance R is cut into three equal pieces that are t...

    Text Solution

    |

  7. Two cells X and Y are connected to a resistance of 10Omega shown in th...

    Text Solution

    |

  8. Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their l...

    Text Solution

    |

  9. As the temperature of a metallic resistor is increased,the product of ...

    Text Solution

    |

  10. What will b e the equivalent resistance b etween the A and D?

    Text Solution

    |

  11. In the arrangement of resistances shown in the circuit. The potential...

    Text Solution

    |

  12. It is observed in a potentiometer experiment that no current passes th...

    Text Solution

    |

  13. The resistance across P and Q in the given figure is

    Text Solution

    |

  14. When no current is passed through a conductor,

    Text Solution

    |

  15. A steady current flows in a metallic conductor of non-uniform cross-se...

    Text Solution

    |

  16. Internal resistance of a cell depends on

    Text Solution

    |

  17. The resistance of the circuit between A and B is:-

    Text Solution

    |

  18. The number of free electrons per 100 mm of ordinary copper wire is 2xx...

    Text Solution

    |

  19. The potential difference between the terminals of a cells is found to ...

    Text Solution

    |

  20. What is the reading of ammeter is adjoining circuit diagram.

    Text Solution

    |

  21. The following diagram shows the circuit for the comparision of e.m.f. ...

    Text Solution

    |