a.

Equal to the period of the earth

b.

More than the period of the earth

c.

Less than the period of the earth

d.

The square of the period of the earth

a.

Reduced pressure and reduced potential

b.

Increased magnetic field

c.

Reduced pressure and high current

d.

Exposure to visible light

a.

Diffraction

b.

Reflection

c.

Polarization

d.

Refraction

a.

Transformer

b.

Ammeter

c.

Potentiometer

d.

Capacitor