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The units of electric intensity are:
The ratio electric force: gravitational force ———————— is always:
E=F/q is the formula for?
Force acting on a positive charge is always:
Electric potential difference can be defined as:
You have three capacitors, each of 3 μC. In which of the following combinations of the three capacitors, the resultant capacitance is 9μC?
Force on a static charge q in uniform electric field E is
The study of electric charges at rest in electric field is known as:
Coulomb’s law is true for
If a particle has charge q is accelerated through a potential difference V., then energy acquired by the particle is:
The electric potential difference between two points A and B in an electric field can be defined as:
The energy stored in a parallel plate capacitor is 24 J. What is the potential difference between the plates if the capacitance of the capacitor is 3 μF?
Photocopier and ink-jet printer are application of:
Farad is defined as:
Electric potential energy per unit charge is:
A capacitor stores 5.3 x 10-5 C of charge when connected to a 6.0-V battery. How much charge does the capacitor store when connected to a 9.0-V battery?
Object A has a charge of 15 mC, and object B has a charge of 10 mC Which statement is true about the electric forces on the objects?
Electrostatic force is
Consider a negative point charge is moving along a straight-line path directly toward a stationary positive point charge. Which aspect(s) of the electric force on the negative point charge will remain constant as it moves?
Electric field lines
One coulomb charge is carried by:
An electron is held within electric field What happens when electron is released?
The force between two charges Q and q, separated by a distance d is F. What will be the force between them when distance between them is d/2?
You have three capacitors, each of 2 μC In which of the following combinations of the three capacitors, the resultant capacitance is 6μC?
Energy stored in a parallel plate capacitor:
A particle carrying a charge 3e, accelerates through a potential difference of 2V. The energy acquired by it is:
If the magnitude of charges on two-point objects and the distance between them is doubled, then force will be:
The electron volt is the unit of:
You have three capacitors and a battery. In which of the following combinations of the three capacitors is the maximum possible energy stored when the combination is attached to the battery?
The electric field inside a spherical shell of uniform surface charge density is
Two-point charges attract each other with an electric force of magnitude F. If the charge on one of the particles is reduced to one-half its original value and the distance between the particles is doubled, what is the resulting magnitude of the electric force between them?
A positive point charge q1 creates an electric field of magnitude E1 at a spot located at a distance r1 from the charge. The charge is replaced by another positive point charge q2, which creates a field of magnitude E2 = E1 at a distance of r2 = 2r1. How is q1 related to q2?
The value of coulomb constant is:
A capacitor stores charge Q at a potential difference ΔV. What happens if the voltage applied to the capacitor by a battery is doubled to 2 ΔV?
Electric intensity at the centre of uniformly distributed charge is
A charge is moving with velocity v, it enters a uniform magnetic field B The direction of v is perpendicular to B What is the path of the charge particle inside the magnetic field?
A capacitor can store its energy in its:
The electric potential at infinite distance is:
If the potential difference across the two plates of a parallel plate capacitor is doubled, then energy stored in the capacitor would be:
You have two identical capacitors. They can be connected in series or in parallel. If you want the smallest equivalent capacitance for the combination, how should you connect them?
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