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Electric Forces...

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  • Question 1
    4 / -1

    Which of the following methods can be used to charge a metal sphere positively without touching it . Select the best 

  • Question 2
    4 / -1

    When a negatively charged conductor is connected to earth,

  • Question 3
    4 / -1

    A point charge of 2.0 μC is at the centre of a cubic Gaussian surface 9.0 cm on edge. What is the net electric flux through the surface?

  • Question 4
    4 / -1

    Two identical conductors of copper and aluminium are placed in an identical electric field. The magnitude of induced charge in the aluminium will be:

  • Question 5
    4 / -1

    A point charge causes an electric flux of −1.0×103Nm2/C to pass through a spherical Gaussian surface of 10.0 cm radius centred on the charge.
    (a) If the radius of the Gaussian surface were doubled, how much flux would pass through the surface?
    (b) What is the value of the point charge? 

  • Question 6
    4 / -1

    Electric charge:

  • Question 7
    4 / -1

    An electric dipole is 

  • Question 8
    4 / -1

    A hollow spherical conductor of radius 2m carries a charge of 500 μ C. Then electric field strength at its surface is

  • Question 9
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    For forming an electric dipole between two point charges separated by a small distance, the two point charges are of

  • Question 10
    4 / -1

    The amount of work done in moving a charge from one point to another along an equipotential line or surface charge is

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