SSC JE EE : Technical Quiz 13

Dielectric heating works on the frequency range of about

When port 1 of a two circuit is short circuited, I₁ = 4I₂ and V₂ = 0.25I₂, which of the following is true?

Find the magnetic field intensity at the centre of circular conducting loop having diameter of 5cm and carrying a current of 10A.

In the layout of sub-circuit wiring connection, of which cross sectional area of copper conductor is preferred?

A ______ is a device used in electrical power systems and telecommunication systems to protect the insulation and conductors of the systems from the damaging effects of lightning.

A 200/100 V, 50 Hz transformer is to be excited at 60 Hz from the primary side without increase in excitation current. Then the voltage to be applied at primary is

A separately excited DC generator supplies 150 A to 145 V DC grid. The generator is running at 800 RPM. The armature resistance is 0.1 Ω. If the speed of the generator is increased to 1000 RPM, the current supplied by the generator to the DC grid is

A _______ is an n-p-n or p-n-p sandwich of semiconductor materials.

JFET is a

When a uniform line charge of -6 μC/m lies along the y axis, what is net electrical flux crossing the surface of a cube side 2 m, centered at the origin?

If the transformer is loaded, then the secondary terminal voltage falls for and rises for

The nominal ratio for a current transformer is given by

The depth of the material up to which the eddy current loss penetrates due to high frequency eddy current heating depends on