Home
Class 12
PHYSICS
A beam of electron posses undeflected th...

A beam of electron posses undeflected through mutually perpendicular electric and magnetic fields. If the electric field is switched off and the same magnetic field is maintained, the electrons move,

A

along a straight line

B

in an elliptical orbit

C

in a circular orbit

D

\along a parabolic path

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    SARAS PUBLICATION|Exercise EXAMPLE|27 Videos

  • ELECTROMAGNETIC WAVES

    SARAS PUBLICATION|Exercise EXAMPLE|15 Videos

Similar Questions

Explore conceptually related problems

The electric and magnetic fields of an electromagnetic wave are

The electric and magnetic field of an electromagnetic wave are :

When a magnetic field is applied on a stationary electron, it

Why is light not deflected by electric and magnetic fields?

The electromagnetic waves are ____ by electric and magnetic fields.

A charged particle goes undeflected in a region containing electric and magnetic field. It is possible that

If a charged particle goes unaccelerated in a region containing electric and magnetic fields,

SARAS PUBLICATION-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS-EXAMPLE
  1. A charged paticle (charge q ) is moving in a circle of radius R with u...

    Text Solution

    |

  2. A beam of electron posses undeflected through mutually perpendicular e...

    Text Solution

    |

  3. In an a.c circuit the e.m.f(e) and the current (i) at any instant are ...

    Text Solution

    |

  4. Power dissipated in an LCR series circuit connected to an a.c source o...

    Text Solution

    |

  5. A thin-ring of radius R metre has charge q coulomb uniformly spread on...

    Text Solution

    |

  6. In the given circuit he reading of voltmeter V1 and V2 are 300 volts e...

    Text Solution

    |

  7. In an ac circuit an alternating voltage e =200 sqrt2 sin 100 t volts i...

    Text Solution

    |

  8. An ac voltage is applied to a resistance R and inductor L in series If...

    Text Solution

    |

  9. A transistor is operated in common emitter configuration at Ve=2 V suc...

    Text Solution

    |

  10. If voltage across a bulb rated 220Volt-100 Watt drops by 2.5% of its r...

    Text Solution

    |

  11. The current (I) in the inductance is varying with time according to t...

    Text Solution

    |

  12. Transfer characteristics output voltage (V0) vs input voltgae (V1) for...

    Text Solution

    |

  13. In an electrical circuit, R, I, C and AC voltage source are all connec...

    Text Solution

    |

  14. A coil of self-inductance L is connected in series with a bulb B and a...

    Text Solution

    |

  15. Ten identical cells connected in series are needed to heat a wire of l...

    Text Solution

    |

  16. A current of 2.5 A flows through a coil of inductance 5 H The magnetic...

    Text Solution

    |

  17. The primary of a transformer when connected to dc battery of 10 volt d...

    Text Solution

    |

  18. Two cities are 150 km apart Electric power is sent from one city to an...

    Text Solution

    |

  19. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |

  20. A resistane 'R' draws power 'P' when connected to an AC source.If an i...

    Text Solution

    |