An electric current flows through the conductor shown in the figure below. What are the effects of the current passing through it?
Beyond what temperature does the gas vaporize and blackens the lamp in a gas filled lamp?
The small pockets of air in the high voltage cable provide ____ relative permittivity, ____ electric field and at these sites breakdown is likely to be initiated.
Two lossy capacitors with equal capacitance values and power factors of 0.01 and 0.02 are in parallel, and the combination is supplied from a sinusoidal voltage source. The power factor of the combination is
A piece of oil soaked paper has been inserted between the plates of a parallel plate capacitor. Then the potential difference between the plates will
Five equal capacitors connected in series have a resultant capacitance of When these capacitors are connected in parallel and charged to 400 V d.c., the total energy stored is
drops of mercury of equal radii and possessing equal charges combine to form a bigger drop. The ratio of capacitances of bigger drop to smaller drop is
The electric potential V as a function of distance x (in metres) is given by; The value of electric field at x = 1 m would be
A particle carrying a charge of 10-5 C begins to move in a uniform electric field of strength 50 Vm-A. After travelling a distance of 1 m, the kinetic energy of the particle will be