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The electric field in a region is given ...

The electric field in a region is given by `vecE = (A/x^3) vecI.` Write a suitable SI unit for A. Write an experssion for. the potential in the region assuming the potential at. infinity to be zero.

A

`(M)/(2x^(2))`

B

`Mx^(2)`

C

`(M)/(3x^(4))`

D

None

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Knowledge Check

  • Electric field in the region is given by E = ((M)/(x^3)) hati , then the correct expression for the potential in the region is [assume potential at infinity is zero]

    A
    `(M)/(2x^2)`
    B
    `Mx^2`
    C
    `(M)/(3x^4)`
    D
    `(M)/(x^2)`

  • The electric field in a region is given by , E=(A)/(x^(2))hati+Byhatj+Cz^(2)hatk The SI units of A ,B and C are , respectively

    A
    `(Nm^(3))/(C),Vm^(2),(N)/(m^(2)C)`
    B
    `Vm^2 ,Vm, (N)/(m ^2 C)`
    C
    `V//m^(2),V//m,(NC)/(m^(2))`
    D
    `V//m^2 (Nm^1 )/( c ) (N )/(C )`

  • The electric field is given by vecE=(A)/(x^(3))hati+By hatj+Cz^(2)hatk . The SI units of A, B and C are respectively:

    A
    `(N-m^(3))/(C ), V//m^(2), N//m^(2)-C`
    B
    `V-m^(2), V//m, N//m^(2)-C`
    C
    `V//m^(2), V//m, N-C//m^(2)`
    D
    `V//m, N-m^(3)//C, N-C//m`

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