1.
One of these is a simple application of Gauss’ law
2.
The energy stored in a capacitor is given by
3.
Calculate the magnetic force on a 210m length of wire stretched between two towers carrying a 150A current. The Earth’s magnetic field of 5×10¯⁵ T lies perpendicular to the wire.
5.
In Kirchhoff’s law, the current that leaves a junction is assigned a _________ sign.
6.
When the temperature of a conductor increases, the resistivity
7.
The constant of proportionality in Ohm’s law is
8.
If the wire carrying current in a magnetic field is parallel to the field, then the force is ______
9.
When a glass rod is rubbed with silk, the charge on the glass rod is
10.
Coulomb’s law and gravitational law are both
11.
From P=QVBsinθ, the force is maximum when θ is
12.
In the photoelectric effect,
13.
The ability of charged bodies to exert force on one another is attributed to the existence of
14.
What current will pass through a circuit in 3 seconds if the charge in the circuit is q=6cos(π/3)?
15.
For an atom to be electrically neutral, the number of electrons and protons must be _______
