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WorksheetsChapter(8) Electric Potential
Total questions: 20
Worksheet time: 7mins
(1) Electric potential difference is measured in_____ .
ampere
watt
volt
Work done is independent of the _____ taken by the charge.
path
method
force
The electric lines of force are _____ to the equipotential surfaces.
parallel
perpendicular
none of these
The earth is a good_____ of electricity.
conductor
insulator
semiconductor
The unit newton per coulomb is the same as ______ .
Wm-2
Vm-1
Vm-2
The electric potential at infinite distance from a point charge is _____.
zero
infinity
none of these
The amount of work done in moving a charge of +5µC from one point to another on an equipotential surface of 104 V is ____.
5x10-2J
5x104J
zero
The radius of an equipotential surface of 300V surrounding a point charge of +1.5µC is
45m
450m
4.5m
The earth can receive as well as give out quite a number of _____.
protons
electrons
neutrons
On an equipotential surface, the charges are_____.
moving
stationary
none of these
If the charge on an metal sphere is doubled, the electric potential inside the sphere is ____.
doubled
quadrupled
remains the same
The electron volt (eV) is a unit of _____.
potential
charge
energy
Equipotential surfaces in an electric field are always ____.
spherical
perpendicular to the electric lines of force
closed surface
The term "joule per coulomb " is the same as____.
watt
ohm
volt
If an electron moves from point P to Q in an electric field, point P will have ____ potential.
higher
lower
zero
The electric potential at the points equidistant from +Q have_____.
same magnitude
zero
none of these
The electric field intensity between two oppositely charged parallel plates______.
varies inversely as the distance
varies as the square of the distance
is uniform
The earth has a plenty of______.
free neutrons
free protons
free electrons
An uncharged body has ____ electric potential.
no
volt
infinite
One volt is defined as _____.
one coulomb per second
one joule per coulomb
an ampere-second
