Physics Test 14...

The electrostatic capacitance depends on

A charge Q is enclosed by a Gaussian surface of radius r. If the radius of the surface is doubled, then outward electric flux will be

In the arrangement shown in the figure, the charge supplied by battery will be

Path of a charged particle in electric field enters at angle 30° from the direction of electric field is

If an electric dipole is enclosed by Gaussian surface, then net electric flux passes through the surface is

An electron and a proton enter a magnetic field perpendicularly. Both have same kinetic energy. Which of the following is true?

The net magnetic flux passing through a closed surface is always

The secondary to primary turns ratio of transformer is given as 2 : 3. If the current passing through the primary coil is 3A. Find the current through the load resistance.

Torque on a current carrying rectangular loop placed in uniform magnetic field is maximum, when its axis makes an angle with the direction of magnetic field is

For L-C-R circuit, the power transferred from the driving source to the driven oscillator is