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WorksheetsAssignment-Energy&Potential
Total questions: 30
Worksheet time: 3600secs
The ability to do work by applying force is called
work
energy
force
net force
Stored energy or energy due to its position is called
mechanical energy
potential energy
kinetic energy
thermal energy
The work done in taking a unit positive charge from P to A is WA and from P to B is WB Than
Wa>Wb
Wa<Wb
Wa=Wb
Wa+Wb=0
The electric field in a region surrounding the origin and along the x-axis is uniform. A small circle is drawn with the center at the origin cutting the axes at points A, B, C, and D having coordinates (a, 0), (0, a), (-a, 0), and (0, -a), respectively, as shown in Fig. Then the potential is minimum at
B
C
D
A
Two charged spheres of radii 10 cm and 15 cm are connected by a thin wire. No current will flow, if they have
The same charge on each
The same energy
The same potential
The same field on their surfaces
Two plates are 2cm apart, a potential difference of 10 V is applied between them, the electric field between the plates is
20 N/C
500 N/C
5 N/C
250 N/C
Two charge +Q and -Q are situated at a certain distance. At the point exactly midway between them
Electric field and potential both are zero
Electric field is zero but potential is not zero
Electric field is not zero but potential is zero
Neither electric field nor potential is zero
A metallic solid sphere is placed in a uniform electric field. The lines of force follow the path(s) shown in figure as
1
2
3
4
A charge of 5 C experiences a force of 5000 N when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of 1cm
10 V
250 V
1000 V
2500 V
Equal charges are given to two spheres of different radii. The potential will
Depend on the nature of the materials of the spheres
Be more on the bigger sphere
Be equal on both the spheres
Be more on the smaller sphere
The radius of a soap bubble whose potential is 16V is doubled. The new potential of the bubble will be
8V
2V
4V
16V
The quantity electric potential is defined as the amount of _____.
electric potential energy
force acting upon a charge
potential energy per charge
force per charge
When work is done on a positive test charge by an external force to move it from one location to another, potential energy _________ (increases, decreases) and electric potential _________ (increases, decreases).
increases, increases
increases, decreases
decreases, increases
decreases, decreases
Is work done on the positive charge to move it from point A to point B?
Yes
No
Electric potential energy is greatest at point...
A
B
Electric Potential (voltage) is greatest at point...
A
B
Is work done on the positive charge to move it from point A to point B?
Yes
No
Electric potential energy is greatest at point...
A
B
Electric potential (voltage) is greatest at point...
A
B
This model of the balloon shows ______ positive charges than negative charges. So this balloon is _____ charged.
fewer/positively
more/positively
fewer/negatively
more/negatively
Electric potential ____________ as distance increases.
Increases
Decreases
Remains Constant
Is 0
The magnitude of electric potential is ______ at an infinite distance.
0
negative infinity
positive infinity
200
The SI unit for electric potential is the ___________.
Volen
Vespa
Volt
Valspar
The difference in electrical potential energy between two places is called …………...
resistance
friction
induction
voltage
The direction of electric field lines shows the
direction of the force on a test positive charge.
size of the field.
strength of the field.
all of the above
Work done upon a body is :
A vector quantity
A scalar quantity
Both A and B are correct
None of these
The total amount of energy
varies
can cancel out to zero
goes out into space
remains constant
The equation for force is
W= fd
W= fN
W=mv
W=wh
Energy stored due to the interactions between objects
potential
positional
total
kinetic
