Download App

2. Electric potential and capacitance — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics2. Electric potential and capacitance1 Mark
MCQ
A metallic rod is placed in a uniform electric field. Select the correct option.
  • ✓
    Inside the rod there will be an induced electric field from $B$ to $A.$
  • B
    Free electrons will accumulate at the end $B$ of the rod.
  • C
    The potential of the end $A$ will be more than that at $B.$
  • D
    The electric field outside the rod will not change due to the induced charged in the rod.
✓

Answer

Correct option: A.
Inside the rod there will be an induced electric field from $B$ to $A.$
a

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 2. Electric potential and capacitance→2. Electric potential and capacitance — all question types→Physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

An alternating power supply of $220 \,V$ is applied across a series circuit of resistance $10 \sqrt{3} \,\Omega$, capacitive reactance $40 \,\Omega$ and inductive reactance $30 \,\Omega$. The respective currents in the circuit for zero and infinite frequencies are
→
Two particles move at right angle to each other. Their de Broglie wavelengths are ${\lambda _1}$ and ${\lambda _2}$ respectively. The particles suffere perfectly inelastic collision. The de Broglie wavelength $\lambda $ , of the final particle, is given by
→
In order to forward bias a $PN$ junction, the negative terminal of battery is connected to
→
The force exerted by a magnetic field on a wire having length $L$ and current $I$ is perpendicular to the wire and given as $\left| F \right| = IL\left| B \right|$ . An experimental plot shows $(\vec F)$ as function of $L$ . The plot is a straight line with a slope $S = \left( {10 \pm 1} \right) \times {10^{ - 5}}\ AT$. The current in the wire is $\left( {15 \pm 1} \right)\ mA$ . The percentage error in $B$ is
→
A convex lens of power + 6D is placed in contact with a concave lens of power – 4D. What is the nature and focal length of the combination
→
Two bulbs are working in parallel order. Bulb A is brighter than bulb B. If $R_A$ and $R_B$ are their resistance respectively then
→
If the refractive angles of two prisms made of crown glass are $10^o$ and $20^o$ respectively, then the ratio of their colour deviation powers will be
→
A star is moving away from the earth with a velocity of 100 km/s. If the velocity of light is $3 \times 10^8 \mathrm{~m} / \mathrm{s}$ then the shift of its spectral line of wavelength 5700 Å due to Doppler's effect will be
→
The visible region of hydrogen spectrum was first studied by:
→
The magnetic moments associated with two closely wound circular coils $A$ and $B$ of radius $r_A=10 cm$ and $r_B=20 cm$ respectively are equal if: (Where $N _A, I _{ A }$ and $N _B, I _{ B }$ are number of turn and current of $A$ and $B$ respectively)
→