Physics Test 28...

In a L−C−R series AC circuit, the voltage across each of the component L,C and R is 50V.

The voltage across the L−R combination.

Two wires are made up of two different materials with their specific resistances, lengths and areas of the cross-section in the ratio, 2 : 3, 3 : 5 and 4 : 5, respectively.

The ratio of their resistances is given by, __

The flux linked with a coil at any instant t is given by ϕ = 10t² − 50t + 250. The induced emf at t = 3s is

The distance of Neptune and Saturn from the Sun are nearly 10¹³m and 10¹²m respectively. Ratio of their time period will be

Which law a vector quantity must obey?

According to Hooke's Law, within the elastic limit, which of the following is true?

A charged particle moves in a magnetic field B with velocity v. The angle between v and B is θ.

The magnetic force experienced by the particle is proportional to:

The electric and the magnetic field, associated with an EM wave propagating along the +z-axis, can be represented by

What is the required condition, if the light incident on one face of a prism, does not emerge from the other face?

The distance between the centres of carbon and oxygen atoms in the carbon monoxide molecule is 

Locate the centre of mass of the molecule relative to the carbon atom.