Electrostatics
Electrostatics Mastery Quiz
Challenge your understanding of electrostatics with this engaging quiz! Test your knowledge on concepts ranging from Coulomb's law to capacitor characteristics. This quiz is perfect for students, teachers, and anyone interested in the fascinating world of electrostatics.
Key Features:
- 15 multiple-choice questions.
- Instant feedback on your answers.
- A fun way to reinforce learning!
Value of k in coulomb's law depends upon
magnitude of charges
distance between charges
both A and B
medium between two charges
1 pico farad (1pF) is equal to
1×10-9F
1×10-12F
1×10-6F
1×10-10F
Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become
1/4th of its original value
1/8th of its original value
4 times of its original value
8 times of its original value
If an electrons is allowed to move along the field in a non uniform electric field then it will follow
Spiral path
Straight line
Curved path
Circular path
If F is force acting on test charge qo, electric field intensity E would be given by
E = F - qo
E = F/qo
E = F + qo
E = qo/F
Property of material due to which it attracts or repels other objects is
friction
velocity
current
charge
If medium between two charges is air, then value of constant k in SI units will be
5 × 109 Nm²C-2
7 × 109 Nm²C-2
8 × 109 Nm²C-2
9 × 109 Nm²C-2
Charge on capacitor plates is directly proportional to
current
electric field intensity
potential difference
resistance
A capacitor holds 0.03 C of charge when fully charged by a 6V battery. To hold 2C of charge, voltage required would be
150V
100V
300V
400V
When we rub a glass rod with a silk cloth then
glass rod acquires negative charge while silk acquires positive charge
glass rod acquires positive charge while silk acquires negative charges
both glass rod and silk acquire negative charge
both glass rod and silk acquire positive charge
If mica sheet is placed between the plates of a capacitor the capacity
increases
decreases
increases then decreases
decreases then increases
The minimum charge on any object cannot be less than
1.6 x 10-19C
3.2 x 10 -19C
9.1 x 109C
no definite value exist
3 capacitors with capacitances 5µF, 6µF and 7µF are arranged in parallel combination with a battery of 5V, voltage across each capacitor is
15V
5V
18V
20V
If two charges are increased by two times then force
Decreases 9 times
Increases 9 times
Increases 4 times
Decreases 4 times
In equation Q=CV, C is constant of proportionality called capacitor's
power
capacitance
heat
electric intensity
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