Q.1.
The capacitance between two plates increases with
Q.2.
Which medium has the least dielectric strength ?
Q.3.
The minimum value of potential gradient in a cable occurs in
Q.4.
An electrolytic capacitor can be used for
Q.5.
A capacitor consists of two
Q.6.
The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be
Q.7.
A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
Q.8.
Dielectric strength ______ with increasing thickness
Q.9.
capacitors are mainly used for radio frequency tuning.
Q.10.
If a third equal and similar charge is placed between two equal and similar charges, then this third charge will
Q.11.
A paper capacitor is usually available in the form of
Q.12.
A unit tube of flux is known as tube
Q.13.
Out of the following capacitors of identical rating which one will have the smallest dimensions ?
Q.14.
What are the units of Force?
Q.15.
What is the charge of an electron?
Q.16.
Electric potential is a
Q.17.
What is the charge of a proton?
Q.18.
What are the units of Charge?
Q.19.
Which of the following is NOT an insulator?
Q.20.
The lines of force due to charged particles are
Q.21.
What is the charge of a neutron?
Q.22.
The SI unit of charge is
Q.23.
The value of k in coulomb's law depends upon
Q.24.
Electric field intensity is a quantity
Q.25.
A proton is
Q.26.
In equation Q=CV, C is the constant of proportionality called the capacitor's
Q.27.
The relative permittivity of free space is given by
Q.28.
A capacitor consists of
Q.29.
In a capacitor the electric charge is stored in
Q.30.
Which of the following is not a good conductor of electricity?