The current conduction in a discharged tube is due to

  • A

    Electrons only

  • B

    $+ve$ ions and electrons

  • C

    $-ve$ ions and electrons

  • D

    $+ ve$ ions, $-ve$ ions and electrons

Similar Questions

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be $6.35 \times {10^{ - 19}}C$. The number of excess electrons on the drop is

Cathode rays are produced when the pressure is of the order of

An electron of charge $‘e’$ coulomb passes through a potential difference of $V$ volts. Its energy in ‘joules’ will be

Write name of universal and fundamental particle of matter. 

A beam of cathode rays is subjected to crossed electric $(E)$ and magnetic fields $(B).$ The fields are adjusted such that the beam is not deflected. The specific charge of the cathode rays is given by (where $V$ potential diffrence between kethod and anode)

  • [AIPMT 2010]