Quiz Physics : MCQ on Electric Field Part 1

Q1 Force acting on a stationary point charge q in an electric field E is 

  • `q^{2}E`
  • `\frac{q}{E}`
  • qE
  • `\frac{E}{q}`

qE 


Q2 Electric field intensity due to a source charge at a distance r varies as 

  • r
  • `r^{2}`
  • `r^{-2}`
  • `r^{-1}`

  • `r^{-2}`
  •  


    Q3 Dimensional formula of electric field is 

    • `MLT^{-3}A^{-1}`
    • `MLT^{-2}A^{-1}`
    • `ML^{2}T^{-2}A^{-1}`
    • `MLT^{2}A^{-1}`

    `MLT^{-3}A^{-1}` 


    Q4 The electric field E at a point just outside a perfect conductor is 

    • parallel to surface
    • zero
    • perpendicular to surface
    • any direction

    perpendicular to surface 


    Q5 The electric field inside a spherical shell of uniform surface charge density 

    • Zero
    • constant less than zero
    • directly proportional to distance from center
    • None of these

    Zero 


    Q6 which of the following is deflected by a electric field 

    • neutrons
    • alpha particles
    • gamma rays
    • all of these

    alpha particle 


    Q7 An electron and a proton are in a uniform electric field. The ratio of their accelerations will be 

    • Zero
    • unity
    • `\frac{m_p}{m_e}`
    • `\frac{m_e}{m_p}`

  • `\frac{m_p}{m_e}`
  •  


    Q8 an electron enters in the electric field with its velocity in direction of electric field then 

    • path of electrons will be circle
    • path of electrons will be parabola
    • velocity of electrons will decrease
    • velocity of electrons will increase

    path of electrons will be parabola 


    Q9 an electron having charge e and mass m moving in a uniform electric field E. Its acceleration will be 

    • `\frac{e^2}{m}`
    • `\frac{E^2}{m}e`
    • `\frac{eE}{m}`
    • `\frac{mE}{e}`

    `\frac{eE}{m}` 


    Q10 what is the angle between the electric dipole moment and electric field strength due to it on equatorial line? 

    • Zero
    • `90^{0}`
    • `180^{0}`
    • none of these

    `180^{0}` 


    ELECTRIC DIPOLE NOTES: ELECTRIC DIPOLE , DIPOLE LENGTH, ELECTRIC FIELD DUE TO ELECTRIC DIPOLE

    Electric Dipole: It is a  system of equal and opposite charges separated by some  fixed distance. DIPOLE LENGTH : the distance AB = 2a is ...

    Popular Posts