Home
Class 12
PHYSICS
A student measures the terminal potentia...

A student measures the terminal potential difference (V) of a cell (of emf E and internal resistance r) as a function of the current (I) flowing through it. The slope and intercept of the graph between V and I, then respectively, equal

A

`-r and E`

B

`r and -E`

C

`-E and R`

D

`E and -r`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos

  • STRUCTURE OF NUCLEUS

    MODERN PUBLICATION|Exercise EXERCISE|47 Videos

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos

Similar Questions

Explore conceptually related problems

When a battery of e.m.f E and internal resistance r is connected to a resistance R, a current I flows throgh it. Derive a relation between E,I,r and R.

Find the current drawn from a cell of emf 1V and internal resistance 2/3 Omega connected to the network given adjoint.

A cell of emf 2 V and internal resistance 0.1Ohm is connected to a 20 Ohm resistor .What is the current in the circuit ?

A cell of emf 2 V and internal resistance 0.1Omega is connected to 3.9Omega external resistance. What will be the potential difference across the terminals of the cell?

n cells of e.m.f E and internal resistance r are connected in series with an external resistance R . the current will increase n times that of a single cell, if

A cell of e.m.f. E an internal resistance r is connected across an external resistance R. Plot a graph showing the variation of P.D. across R, verses R.

Plot a graph showing the variation of current 'T' versus resistance 'R', connected to a cell of emf E and internal resistance 'r'.

A solenoid is at potential difference of 60 V. current flowing through it is 15 A, then resistance solenoid will be

MODERN PUBLICATION-TEXTUAL QUESTIONS-EXERCISE
  1. For a Cell, the terminal potential difference is 2.2 V when circuit is...

    Text Solution

    |

  2. A current of 2A flows through a 2 ohm resistor when connected across a...

    Text Solution

    |

  3. A student measures the terminal potential difference (V) of a cell (of...

    Text Solution

    |

  4. Two batteries , one of e.m.f. 18 V and internal resistance 2Omega and ...

    Text Solution

    |

  5. A battery is charged at a potential of 15 V for 8 h when the current f...

    Text Solution

    |

  6. Two cells, having the same emf, are connected in series through an ext...

    Text Solution

    |

  7. Kirchoff's first law is based on the law of conservation of .......

    Text Solution

    |

  8. kirchoff's first and second laws are respectively based on law of cons...

    Text Solution

    |

  9. In a Wheatstone's brigde all the four arms have equal resistance R. If...

    Text Solution

    |

  10. The effective resistance between points A and B in the given circuit A...

    Text Solution

    |

  11. For the network shown in the figure , the value of the current I is

    Text Solution

    |

  12. A bridge circuit is shown in the figure. The equivalent resistance bet...

    Text Solution

    |

  13. The resistance of each arm of the wheat stone bridge is 10Omega. A res...

    Text Solution

    |

  14. In the circuit shown, if a conducting wire is connected between the po...

    Text Solution

    |

  15. In a metre bridge, the balancing length form the left end is focused t...

    Text Solution

    |

  16. Three resistance P, Q, R each of 2 Omega and an unknown resistance S f...

    Text Solution

    |

  17. An unknown resistance R(1) is connected is series with a resistance of...

    Text Solution

    |

  18. Why voltmeter less accurate in measuring potential difference than a p...

    Text Solution

    |

  19. The resistivity of potentiometer wire is 10^-7 ohm m and its area of c...

    Text Solution

    |

  20. A 6 V battery is connected to the terminals of a 3 m long wire of unif...

    Text Solution

    |