The charge of an electron is $1.6 \times 10^{-19} \ C$. How many electrons strike the screen of a cathode ray tube each second when the beam current is $16 \ mA$?

  • A
    $10^{17}$
  • B
    $10^{19}$
  • C
    $10^{-19}$
  • D
    $10^{-17}$

Explore More

Similar Questions

The charge on a capacitor plate in a circuit,as a function of time,is shown in the figure. What is the value of current at $t = 4 \, s$ ? ............... $\mu A$

$A$ steady current $i$ is flowing through a conductor of uniform cross-section. Any segment of the conductor has

In a region,$10^{19}$ $\alpha$-particles and $10^{19}$ protons per second move to the left,while $10^{19}$ electrons move to the right per second. The current is

In a conductor,$4$ coulombs of charge flows for $2$ seconds. The value of electric current will be:

$A$ metallic conductor of non-uniform cross-sectional area is subjected to a constant potential difference. Which of the following quantities remains constant along the conductor?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo