Home
Class 12
PHYSICS
Assertion In non-uniform magnetic field ...

Assertion In non-uniform magnetic field speed of a charged particle varies.
Reason Work done by magnetic force on a charged particle is always zero.

A

(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

(b) If both Assertion and Reason are true but Reason is not correct explanation of Assertion.

C

(c) If Assertion is true but Reason is false.

D

(d) If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Match the following|4 Videos
  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Medical entrance s gallery|59 Videos
  • MAGNETIC FIELD AND FORCES

    DC PANDEY ENGLISH|Exercise Taking it together|75 Videos
  • INTERFERENCE AND DIFFRACTION OF LIGHT

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|5 Videos
  • MAGNETICS

    DC PANDEY ENGLISH|Exercise MCQ_TYPE|1 Videos

Similar Questions

Explore conceptually related problems

A charged particle is moved along a magnetic field line. The magnetic force on the particle is

Assertion: Power of a magetic force on a charged particle is always zero. Reason: Power of electric force on charged particle cannnot be zero.

Assertion: The energy of charged particle moving in uniform magnetic field does not change. Reason: Work done by magnetic field on the charge is zero.

The path of a charged particle moving in a uniform steady magnetic field cannot be a

The energy of a charged particle moving in uniform magnetic field does not change-Explain.

If a charged particle at rest experiences no electromagnetic force, then The electric field must be zero

Assertion : Magnetic field is useful in producing parallel beam of charged particle. Reason : Magnetic field inhibits the motion of charged particle moving across it.

If a charged particle enters perpendicular in the uniform magnetic field then

A charged particle is moving on circular path with velocityv in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved, then radius becomes

A charged particle moves in a uniform magnetic field B=(2hati-3hatj) T

DC PANDEY ENGLISH-MAGNETIC FIELD AND FORCES-Assertion and reason
  1. Assertion Two infinitely long wires A and B carry unequal currents bot...

    Text Solution

    |

  2. Assertion When a charged particle moves perpendicular to a uniform mag...

    Text Solution

    |

  3. Assertion If a charged particle is pronected in a region, where B is p...

    Text Solution

    |

  4. Assertion If a charged particle enters from outside in uniform magneti...

    Text Solution

    |

  5. Assertion An alpha-particle and a deuteron having same kinetic energy ...

    Text Solution

    |

  6. Assertion A charged particle is rotating in a circular path in uniform...

    Text Solution

    |

  7. Assertion In a uniform magnetic field B=B(0)hat(k), if velocity of a...

    Text Solution

    |

  8. Assertion If velocity of charged particle in a uniform magnetic field...

    Text Solution

    |

  9. Assertion In non-uniform magnetic field speed of a charged particle va...

    Text Solution

    |

  10. Assertion Path of a charged particle in uniform magnetic field cannot ...

    Text Solution

    |

  11. Assertion A beam of electron can pass undeflected through a region of ...

    Text Solution

    |

  12. Assertion If the path of a charged particle in a region of uniform el...

    Text Solution

    |

  13. Assertion Maganetic field (B) and electric field (E) are present in...

    Text Solution

    |

  14. Assertion three infinitely long current carrying wires have equal cur...

    Text Solution

    |

  15. Assertion Upper wire shown in figure is fixed. At a certain distance ...

    Text Solution

    |

  16. Assertion A flexeble wire loop of irregular shape carrying current w...

    Text Solution

    |

  17. Assertion At the centre of a circular current carrying loop (I(1)), t...

    Text Solution

    |

  18. Assertion Net torque in the current carrying loop placed in a uniform...

    Text Solution

    |

  19. Assertion A charged particle is rotating in a circle. Then magnetic f...

    Text Solution

    |

  20. Assertion : Increasing the current sensitivity of a glavanometer neces...

    Text Solution

    |