(A) Is doubled
(B) becomes four times
(C) Is reduced to half
(D) is reduced to a quarter
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The work done in moving a unit positive charge from one point to another against the electric field is a measure:
(A) Intensity of electric field
(B) Resistance between two points
(C) Capacitance
(D) Potential difference between two points
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If a closed surface contains two equal and opposite carges, the net electric flux from the surface will be:
(A) Positive
(B) Negative
(C) Positive as well as negative
(D) zero
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The electric lines of force:
(A) Physically exist around the charges
(B) Physically exist near the charges
(C) Physically exist everywhere
(D) maginary
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The electric intensity at infinite distance from the point charge is:
(A) zero
(B) infinite
(C) 1 volt m/s
(D) positive
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Electric field intensity is a vector quantity and its direction is:
(A) perpendicular to te direction of the field
(B) Opposite to the direction of force
(C) Along the direction of force
(D) At a certain angle
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The unit of electric field strength (E) is:
(A) Newton
(B) Coulomb
(C) Joule/Coulomb
(D) Newton/coulomb
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If the distance between the two charged bodies is halved, the force between hem becomes :
(A) Double
(B) Half
(C) Four Times
(D) One Half
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The distance between the plates of a parallel plate air condenser is d. If the distance between the plates is reduced by half then the new capacitance will become:
(A) Doubled
(B) half
(C) one fourth
(D) remain unchanged