Home
Class 12
PHYSICS
L is a long conducting thread and there ...

L is a long conducting thread and there is a small plate p which is earthed through C. Some amount of electricity will flow through C

A

if a current fluctuates in the L

B

if a current through L is reversed

C

if L is replaced by a fine beam of a particles

D

if Lis replaced by a narrow beam of electrons.

Text Solution

Verified by Experts

The correct Answer is:
C, D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    FIITJEE|Exercise Comprehension -(1)|5 Videos

  • CURRENT ELECTRICITY

    FIITJEE|Exercise Comprehension -2|6 Videos

  • CURRENT ELECTRICITY

    FIITJEE|Exercise ASSIGNMENT PROBLEMS (OBJECTIVE)(Level-1)|45 Videos

  • COLLISION

    FIITJEE|Exercise (NUMERICAL BASED QUESTIONS)|4 Videos

  • ELASTICITY AND WAVES

    FIITJEE|Exercise Assignment Problems (Objective) Level-II|15 Videos

Similar Questions

Explore conceptually related problems

Fuse melts and breaks the circuit when a large amount of electric current is flowing through it .

Two identical plates of metal are welded cnd to cnd'as shown in figure (A). 20 cal of heat flows through it in 4 minutes when the ends were maintained at different temperatures. If the plates are welded as shown in figure. (B) and the ends were maintained at same temperature as in first caise, the same amount of heat will flow through the plates in how'many minutes? '(##CEN_KSR_PHY_JEE_C13_E01_028_Q06##)'

Knowledge Check

  • A straight conductor AB lies along the axis of a hollow metal cylinder L , which is connected to earth through a conductor C .A quantity of charge will flow through C

    A
    if a current begins to flow through `AB`
    B
    if the current through `AB` is reversed
    C
    if `AB` is removed, and a beam of electrons flows in its place
    D
    if `AB` is removed, and a beam of protons flows in its place

  • For the system shown in capacitance is C The left plate is given a charge Q_(1) and the is closed. . Find the amount of charge that will flow through the battery before the steady state is achieved.

    A
    `CV`
    B
    `CV-Q_(1)`
    C
    `CV+Q_(1)/2`
    D
    `CV-Q_(1)/2`

  • Figure shown a closed surfce which intersects a conducting sphere. If a positive charge is placed at the point P, the flux of the electric field through the closed surface

    A
    will remain zero
    B
    will become positive
    C
    will become negative
    D
    will become undefined.

    • Similar Questions

    Explore conceptually related problems

    During a short circuit, small amount of current flows through it.

    During a short circuit, small amount of current flows through it.

    Three identical conducting plates are arranged as shown in figure and they are given charges as indicated.When switch S is closed,the amount of charge flown through the switch is

    A hollow metal sphere is filled with water and a small hole is made at its bottom. It is hanging by a long thread and is made to oscillate. How will the time perfod change if water is allowed to flow through the hole till the sphere is empty?

    A metallic sphere is filled with water and hung by a long thread. It is made to oscillate. If there is a small hole in the bottom through which water slowly flows out, the time period will

    Home
    Profile