Home
Class 11
PHYSICS
The sketch below show cross section so e...

The sketch below show cross section so equipotential surfaces between two charged.Conductors that are shown in solid black.Some points on the equipotenital surfaces .near the conductors are marked as `A,B,C…. .` The arrangements lies in air (Take `epsilon_(0)=8.85xx10^(-12)C^(2)//Nm^(2)]`

Surfaces charge density of the plate is equal to

A

`8.85xx10^(-10) C//m^(2)`

B

`-8.85xx10^(-10) C//m^(2)`

C

`17.7xx10^(-10) C//m^(2)`

D

`-17.7xx10^(-10) C//m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`E=(-dV)/(dr), sigma/in_(0)=(-30)/0.3`
`sigma=8.85xx10^(-12)xx10^(2)=8.85xx10^(-10) C//m^(2)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN|Exercise Comprehension 7|3 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Comprehension 8|4 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Comprehension 5|5 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN|Exercise BEGINNER S BOX-7|8 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

Similar Questions

Explore conceptually related problems

A point charge of 4.427 mu C is at the centre of a cube Gaussian surface 9.0 cm on the edge. Find the net electric flux through the surface. ( epsilon_0=8.854xx10^(-12)C^2 N^(-1) m^(-2) )

The surface density of charge on the surface of a charged conductor in air is 0.885 muC//m^(2) . If epsi_(0) =8.85xx10^(-12) C^(2)//N-m^(2) , then the outward force per unit area of the charged conductor is

Knowledge Check

  • The sketech below show cross secion so equipotential surfaces between two charged.Conductors that are shwon in solid black.Some points on the wquipotenital surfaces .near the conductors are marked as A,B,C…. . The arrangements lies in air (Take epsilon_(0)=8.85xx10^(-12)C^(2)//Nm^(2)] Surfaces charge density of the plate is equal to

    A
    `8.85xx10^(-10)C//m^(2)`
    B
    `-8.85xx10^(-10)C//m^(2)`
    C
    `17.7xx10^(-10)C//m^(-2)`
    D
    `-17.7xx10^(-10)C//m(2)`

  • The sketech below show cross secion so equipotential surfaces between two charged.Conductors that are shwon in solid black.Some points on the wquipotenital surfaces .near the conductors are marked as A,B,C…. . The arrangements lies in air (Take epsilon_(0)=8.85xx10^(-12)C^(2)//Nm^(2)] A positive charge is placed at B ,When it is released:

    A
    no force will be exerted on it .
    B
    it will move towards `A`
    C
    it will move towards `C`
    D
    it will move towards `E`

  • The sketch below shows cross-sections of equipotential surface between two charged conductors that are shown in solid black. Some points one the euquipotential surface near the conductors are marked as A, B, C ………. The arrangement lies in air. ["Take " in_(0)=8.85xx10^(-12) C^(2)//N m^(2)] How much work is required to slowly move a -1 mu C charge from E to D?

    A
    `2xx10^(-5) J`
    B
    `-2xx10^(-5) J`
    C
    `4xx10^(-5) J`
    D
    `-4xx10^(-5) J`

    • Similar Questions

    Explore conceptually related problems

    The surface density of charge on the surface of a charged conductor in the air is 26.5 muCm^(-2) . The the outward force per unit area of the charged conductor is (epsilon_0=8.85xx10^-12C^2N^-1m^-2)

    The displacement current density across a parallel plate air capacitor which is being charged at the rate of 10^(12) V//m//s is (epsilon_0 = 8.85 xx 10^(-12) C^2 N^(-1)m^(-2)) :

    A metal plate of area 2m^(2) is charged with 12xx10^(-6)C . The surface surface density of charge is

    A metal plate of surface area 2m^(2) is charged with sqrt(8.85muC) . What is the mechanical force acting on the plate if it is kept in air ? [ epsi_(0)=8.85xx10^(-12)C^(2) ]

    Each plate of a parallel plate condenser has surface area of 5 cm^(2) . The distance between the plates is 2 mm. The dielectric constant of the medium between the plates is 5. Then the capacity of the condenser is (epsi_(0) = 8.85 xx 10^(-12) C^(2)//Nm^(2))

    Home
    Profile