Download App

Electrostatics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectrostatics1 Mark
MCQ
Two point charges +9e and +e are at 16 cm away from each other. Where should another charge q be placed between them so that the system remains in equilibrium
  • A
     24 cm from +9e
  • ✓
     12 cm from +9e
  • C
     24 cm from +e
  • D
    12 cm from +e
✓

Answer

Correct option: B.
 12 cm from +9e
12 cm from +9e

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

In photoelectric effect when photons of energy $h \nu$ fall on a photosensitive surface (work function $h v_0$ ) electrons are emitted from the metallic surface. It is possible to say that
→
When a 12 Ω resistor is connected with a moving coil galvanometer then its deflection reduces from 50 divisions to 10 divisions. The resistance of the galvanometer is
→
Magnitude of magnetic field (in $SI$ units) at the centre of a hexagonal shape coil of side $10\, cm$, $50$ turns and carrying current $I$ (Ampere) in units of $\frac{\mu_{0} I}{\pi}$ is
→
Twists of suspension fibre should be removed in vibration magnetometer so that
→
The power loss in an $AC$ circuit is $E _{ rms } I _{ rms }$, when in the circuit there is only.
→
A step-up transformer has transformation ratio of 3 : 2. What is the voltage in secondary if voltage in primary is 30 V
→
The natural frequency of an $LC -$ circuit is $1,25,000$ cycles per second. Then the capacitor $C$ is replaced by another capacitor with a dielectric medium of dielectric constant $k$. In this case, the frequency decreases by $25kHz$. The value of $k$ is:
→
Choose the correct statement about Zener diode
→
If the temperature of cold junction of thermocouple is lowered, then the neutral temperature
→
As our eyes can not retrace the bent path of light, a stick, dipped in water, appears:
→