Home
Class 12
PHYSICS
In a hydrogen atube it is observed that ...

In a hydrogen atube it is observed that through a given cross-section `3.13xx10^(15)` electrons per sec, moving from right to left and`3.12xx10^(15)` protons per sec are moving from left to right. The electric current in the discharge tube ad its direction is

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 71

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 73

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

Through a give cross section n_(1) electrons per second are passing from left to right and n_(2) protons per second are passing from right to left simultaneously. The electric current throught that cross section is ( theta = electronic charge).

In a given time of 10s, 40s electrons pass from right to left. In the same interval of time 40 protons also pass from left to right. Is the average current zero? If not, the find the value of average current.

In a discharge tube, 6 xx 10^18 electrons move to the left and 4 xx 10^18 protons move to the right past a cross-section in every second. Find the magnitude and the direction of current.

In a neon discharge tube 2.9 xx 10^(18) Ne^(+) ions move to the right each second while 1.2 xx 10^(18) eletrons move to the left per second. Electron charge is 1.6 xx 10^(-9) C . The current in the discharge tube

10^(23) electrons passed from left to rigth normally through a cross section in 1s. Average current through the cross section is

In a discharge tube when 200 volt potential difference is applied 6.25xx10^(18) electrons move from cathode to anode and 3.125xx10^(18) singly charged positive ions move from anode to cathode in one second. Then the power of tube is:

In an electrolyte 3.2 xx 10^(18) bivalent positive ions drift to the right per second while 3.6 xx 10^(18) monovalent negaitve ions drift to the per second. Then the current is

In a gas discharge tube, if 3 times 10^18 electrons are flowing per sec from left to right and 2 times 10^18 protons are flowing per second from right to left of a given cross-section, the magnitude and direction of current through the cross-section :

NTA MOCK TESTS-NTA JEE MOCK TEST 72-PHYSICS
  1. A cyclotron oscillator frequency is 10MHz. What should be the operatin...

    Text Solution

    |

  2. A person can throw a stone to a maximum height of h meter. The maximum...

    Text Solution

    |

  3. Water from a hosepipe of radius 5 cm strikes a wall at a speed of 5ms^...

    Text Solution

    |

  4. The radioactive isotope X with a half-life of 10^(9) decays to Y which...

    Text Solution

    |

  5. Ratio of kinetic energy at mean position to potential energy at A/2 of...

    Text Solution

    |

  6. A silver of radius 4.8 cm is suspended by a thread in the vacuum chamb...

    Text Solution

    |

  7. Pressure inside two soap bubble are 1.02 and 1.03 atm . Then ratio of ...

    Text Solution

    |

  8. A light beam of diameter sqrt(3R) is incident symmetrically on a glass...

    Text Solution

    |

  9. A disc of mass 2 kg and radius 0.2 m is rotating with angular veocity ...

    Text Solution

    |

  10. For a transistor the current amplification factor is 0.8 The transisto...

    Text Solution

    |

  11. If the average kinetic energy of a molecule of hydrogen gas at 300 K i...

    Text Solution

    |

  12. The sides of a rectangle are 7.01 m and 1.2xx10^(1)m. Taking the signi...

    Text Solution

    |

  13. Estimate the distance for which for which ray optics is good approxima...

    Text Solution

    |

  14. A pipe closed at one end has length 83 cm. The number of possible natu...

    Text Solution

    |

  15. A particle of mass 'm' moves along the quarter section of the circular...

    Text Solution

    |

  16. In a hydrogen atube it is observed that through a given cross-section ...

    Text Solution

    |

  17. In a magnetic field of 0.05T, area of a coil changes from 101 cm^(2) t...

    Text Solution

    |

  18. The total electrostatic energy stored in both the capacitors ("in "muJ...

    Text Solution

    |

  19. A body released from a great height, falls freely towards the earth. A...

    Text Solution

    |

  20. If a new planet is discovered rotating around Sun with the orbital rad...

    Text Solution

    |