Home
Class 12
PHYSICS
Potential gradient is defined as...

Potential gradient is defined as

A

fall of potential per unit length of the wire

B

fall of potential per unit area of the wire

C

fall of potential between two ends of the wire.

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    FULL MARKS|Exercise Additional Questions Solved (Fill in the blanks)|39 Videos
  • CURRENT ELECTRICITY

    FULL MARKS|Exercise Additional Questions Solved (Match the following)|4 Videos
  • CURRENT ELECTRICITY

    FULL MARKS|Exercise TEXTBOOK EVALUATION (Numerical Problems)|15 Videos
  • COMMUNICATION SYSTEMS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS  (Additional problems)|3 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    FULL MARKS|Exercise ADDITIONAL QUESTIONS -( ADDITIONAL NUMERICAL PROBLEMS : )|10 Videos

Similar Questions

Explore conceptually related problems

Potential energy

A 10 m long wire of resistance 20Omega is connected in series with a battery of emf 3V and a resistance of 10Omega . The potential gradient along the wire in volt per metre is

A potentiometre wire has length 4m resistance 8 Omega . The resistance that must be connected in series with the wire and an accumulator of e.m.f. 2v, so as to get a potential gradient 1 mV per cm on the wire is:

The potential gradient of the potentiometer wire depends on

If the specific resistance of a potentiometer wire is 10^(-7)Omega m and current flowing through it is 0.1 amp, cross-sectional aea of wire is 10^(-6) m^(2) , then potential gradient will be

Water potential can be determined by solute potential and ......... .

Distinguish between the electric potential and potential energy and state the relation between them.

If the x intercept of the line y = mx + 2 is greater than 1/2 then the gradient of the line lies in the interval

Identify the correct statements from the below about "Water potential". (I) Concept of water potential was introduced by Slatyer and Taylor. Water potential is denoted by psi (p s i) (III) Water potential = Solute potential + Pressure potential (IV) It is otherwise known as Osmotic potential.

FULL MARKS-CURRENT ELECTRICITY-Additional Questions Solved (Choose the correct answer)
  1. A flow of 10^(7) electrons per second in a conduction wire constitutes...

    Text Solution

    |

  2. Sensitivity of a potentiometer can be increased by

    Text Solution

    |

  3. Potential gradient is defined as

    Text Solution

    |

  4. n equal resistors are first connected in series and then in parallel. ...

    Text Solution

    |

  5. A galvanometer can be converted into a voltmeter by connecting

    Text Solution

    |

  6. The reciprocal of resistance is ……………………….. .

    Text Solution

    |

  7. A student has 10 resistors, each of resistance r. The minimum resistan...

    Text Solution

    |

  8. The drift velocity of electrons in a wire of radius r is proportional ...

    Text Solution

    |

  9. Kirchoff'slaw i.e., sum i=0, at a junction, deals with the conservatio...

    Text Solution

    |

  10. The resistance of a material increases with temperature. It is a

    Text Solution

    |

  11. Five cells, each of emf E, are joined in parallel. The total emf of th...

    Text Solution

    |

  12. A carbon resistance has colour bands in order yellow, brown, red. Its ...

    Text Solution

    |

  13. What is the value of conductivity of a semiconductor at absolute zero ...

    Text Solution

    |

  14. Explain the determination of the internal resistance of the cell using...

    Text Solution

    |

  15. Carriers of electric current in superconductors are

    Text Solution

    |

  16. A. Potentiometer measures the potential difference more accurately tha...

    Text Solution

    |

  17. What is meant by electromotive force ?

    Text Solution

    |

  18. The capacitance of a pure capacitor is 1 farad. In DC circuit, the eff...

    Text Solution

    |

  19. The resistance of an ideal ammeter is .

    Text Solution

    |

  20. A milliammeter of range 10 mA has a coil of resistance 1Omega. To use ...

    Text Solution

    |