Download App

Electrostatics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
MCQ
An electron having charge ‘e’ and mass ‘m’ is moving in a uniform electric field E. Its acceleration will be
  • A
    $\frac{\mathrm{e}^2}{\mathrm{~m}}$
  • B
    $\frac{\mathrm{E}^2 \mathrm{e}}{\mathrm{m}}$
  • ✓
    $\frac{\mathrm{eE}}{\mathrm{m}}$
  • D
    $\frac{\mathrm{mE}}{\mathrm{e}}$
✓

Answer

Correct option: C.
$\frac{\mathrm{eE}}{\mathrm{m}}$
(c) $\frac{\mathrm{eE}}{\mathrm{m}}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Electrostatics→Electrostatics — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A system can be taken from the initial state $\mathrm{p}_1, \mathrm{~V}_1$ to the final state $\mathrm{p}_2, \mathrm{~V}_2$ by two different methods. Let $\Delta\text{Q}$ and $\Delta\text{W}$ represent the heat given to the system and the work done by the system. Which of the following must be the same in both the methods?
→
A uniform conducting wire $ABC$ has a mass of $10\,g$. A current of $2\,A$ flows through it. The wire is kept in a uniform magnetic field $B = 2T.$ The acceleration of the wire will be
→
The transfer ratio of a transistor is $50$. The input resistance of the transistor when used in the common-emitter configuration is $1 \;k\Omega$. The peak value for an $A.C$ input voltage of $0.01 \,V$ peak is
→
In a balanced Wheatstone’s network, the resistances in the arms $Q$ and $S$ are interchanged. As a result of this
→
Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?
→
The figure below shows a circuit and its input voltage $V_i$ as function of time $t$. Assuming the diodes to be ideal, which of the following graphs depicts the output voltage $V_o$ as function of time $t$ ?
→
The concept of solid angle is a natural extension of a angle to dimensions.
→
When electron beam passes through an electric field, they gain kinetic energy. If the same beam passes through magnetic field, then
→
Two wires of same material have length L and 2L and cross–sectional areas 4A and A respectively. The ratio of their specific resistance would be
→
A semiconductor is doped with a donor impurity:
→