(A) The satellite is always accelerating towards the earth
(B) There is no force acting on the satellite
(C) The acceleration and the velocity of the satellite are in the same direction
(D) The satellite must fall back to the earth when its fuel is consumed
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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