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🧪 CBES Board Class 10 MCQ Quiz Hub
Electrostatics Multiple Choice Questions Set 1
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1. To relieve the discomfort of allergy sufferers in homes, we use
vacuum cleaner
electrostatic air cleaner
wind cleaner
none of above
2. Coulomb's law is only true for point charges whose sizes are
medium
very large
very small
large
3. As per Coulomb's law, the force of attraction or repulsion between two point charges is directly proportional to the
sum of the magnitude of charges
square of the distance between them
product of the magnitude of charges
cube of the distance
4. The ability of a capacitor to store charge depends upon
area of plates
distance between plates
type of dielectric used
All the above
5. In the combination of capacitors in series, the capacitors are connected
side by side
parallel
up and down
None of the above
6. The coulomb's force between the 2 point charges 10µC and 5µC placed at a distance of 150cm is
0.2 N
0.5 N
2 N
10 N
7. If 5 J of work is required to shift 10 C charge from one place to another then the potential difference is
0.5 V
2 V
5 V
10 V
8. The value of k in coulomb's law depends upon
magnitude of charges
distance between charges
medium between two charges
All the above
9. A device which stores charge is called
Resistor
Inductor
capacitor
transistor
10. The resonant circuits that tune radios to particular frequencies are called
plate circuits
radio circuits
filter circuits
fiber circuits
11. The property of material due to which it attracts or repels other objects is
friction
velocity
current
charge
12. In electrostatic air cleaner, air mixed with dust and pollen enters device across
positively charged mesh
negatively charged mesh
neutral mesh
dual charged mesh
13. Plastic rod rubbed with fur and glass rod rubbed with silk
repel each other
mix up with each other
attract each other
None of the above
14. Electric intensity being a force is a
unmeasurable quantity
vector quantity
scalar quantity
basic quantity
15. If the body is positively or negatively charged the leaves of electroscope will
diverge
converge
stay still
shrink
16. The amount of work done in bringing unit positive charge from infinity to a point in electric field is called
coulomb's force
electrostatic force
electric potential
resistance
17. As per Coulomb's law, the force of attraction or repulsion between two point charges is inversely proportional to the
sum of the magnitude of charges
square of the distance between them
product of the magnitude of charges
cube of the distance
18. Capacitor plates are separated by an insulator known as
non-metal
dielectric
paper
wood
19. The capacitors which use chemical reactions to store charge are called
ceramic capacitors
fixed capacitors
parallel plate capacitors
electrolytic capacitors
20. A sensitive instrument for detecting charges is called
gold leaf electroscope
telescope
compound microscope
chemical electroscope
21. 3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in series combination with a battery of 5V, as 1µ F = 10-6F, the quantity of charge on each plate of the capacitor is
2.5µC
1.96µC
3.6µC
2.89µC
22. Electroscope can be charged by
convection
radiation
conduction
All the above
23. The capacitor which has a dielectric between its plates and is made of a flexible material that can be rolled into the shape of a cylinder is called
ceramic capacitors
fixed capacitors
parallel plate capacitors
electrolytic capacitors
24. To paint new cars automobile workers use
current electricity
static electricity
capacitor
inductor
25. 3 capacitors with capacitances 5µF, 6µF and 7µF are arranged in parallel combination with a battery of 5V, as 1µF = 10-6F, the voltage across each capacitor is
15V
5V
18V
20V
26. 3 capacitors with capacitances 5µF, 6µF and 7µF are arranged in parallel combination with a battery of 5V, as 1µF = 10-6F, the voltage across each capacitor is
15V
5V
18V
20V
27. The charge on capacitor plates is directly proportional to
current
electric field intensity
potential difference
resistance
28. In equation Q=CV, C is the constant of proportionality called the capacitor's
power
capacitance
heat
electric intensity
29. Coulomb is equal to the charge of
8.25×1018
6.25×1018
7.25×1018
5.25×1018
30. 3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in series combination with a battery of 5V, as 1µ F = 10-6F, the total capacitance should be
2.8 µF
1.5 µF
2.3 µF
1.96 µF
31. 3 capacitors with capacitances 5µ F, 6µ F and 7µ F are arranged in series combination with a battery of 5V, as 1µ F = 10-6F, the total capacitance should be
2.8 µF
1.5 µF
2.3 µF
1.96 µF
32. SI unit of electric potential is
C-1
J-1
JC-1
JC-4
33. Electric field intensity is a
base quantity
scaler quantity
non vector quantity
vector quantity
34. If 2 bodies are oppositely charged with 400µC and 200µC, the distance between them in the air is 0.5 m. The force between the bodies should be
2880 N
3000 N
1850 N
3250 N
35. A body in the gravitational field always tends to move from a point of potential energy in straight line
higher to lower l
lower to higher
in straight line
not in straight line
36. If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be
0.5 V
2 V
5 V
10 V
37. The direction of electric field intensity in an electric field can be represented by drawing
points
images
circles
lines
38. If the capacitance of a parallel plate capacitor is 100µ F and the potential difference is 70µ F, the quantity of charge stored on each plate would be
7 mC each
70 mC each
700 mC each
0.7 mC each
39. The force acting on a unit positive charge placed at that point is termed as
electric field intensity
electric field industry
electric field
electric shock
40. The fundamental law of electric force between two stationary charged particles is established by
Newton
Ohm
Hooke
Coulomb
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