Home
Class 12
PHYSICS
Which of the following is // are correc...

Which of the following is `//` are correct about electric current ?

A

A) Current is a scalar quantity

B

B) Conventional current is along the direction of flow of positive charges

C

C) Conventional current is along the direction opposite to flow of free electrons

D

D) All of these

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))|44 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-C(OBJECTIVE TYPE QUESTION ))|13 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|34 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following is/are correct about buffers ?

Which of the following is not correct about DNA?

Which of the following is/are correct about a tetrahedron?

Which of the following is correct about phenylketonuria?

Which of the following is correct about symplast?

Which of the following is correct about the electrical synapse

Which of the following is correct about growth?

Which of the following is correct about the blastocyst ?

which of the following is correct about viroids?

Which of the following is correct about biogas-

AAKASH INSTITUTE ENGLISH-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. S.I. unit of current is :-

    Text Solution

    |

  2. Current l versus time t graph through a conductor is shown in the fig...

    Text Solution

    |

  3. Which of the following is // are correct about electric current ?

    Text Solution

    |

  4. The average velocity of electrons in a conductor in the absence of ele...

    Text Solution

    |

  5. Thermal speed v of free electrons in a conductor at absolute temperaur...

    Text Solution

    |

  6. When a circuit is switched on, current flows through the circuit with...

    Text Solution

    |

  7. The conducting medium in which flow of positive ions and negative ion...

    Text Solution

    |

  8. If V is the potential difference between the ends of conductor and l i...

    Text Solution

    |

  9. The resistance of a conductor depends on its

    Text Solution

    |

  10. If the length of a conductor is increased by 100% keeping its area of...

    Text Solution

    |

  11. If the radius of cross-section of the conductor is increased by 0.1 % ...

    Text Solution

    |

  12. Which of the following is a non metallic conductor

    Text Solution

    |

  13. If vec(j) and vec(E ) are current density and electric field respectiv...

    Text Solution

    |

  14. Current density vec(j ) at an area vec( A) = ( 2 hat(i ) + 3 hat(j)...

    Text Solution

    |

  15. Which of the following represents the ohm's law ?

    Text Solution

    |

  16. The ratio of magnitude of current density and magnitude of electric fi...

    Text Solution

    |

  17. Conductivity of a conductor of length L and radius of cross-section r ...

    Text Solution

    |

  18. Resistance of the conductor of length 5m and area of cross -section 4...

    Text Solution

    |

  19. When electric field is applied inside a conductor then free electron ...

    Text Solution

    |

  20. If n,e,A and v(d) are free electron density inside conductor , charge...

    Text Solution

    |