a.

Thickest at the top

b.

thickest at the middle

c.

thickest at the bottom

d.

of the same thickness throughout

a.

flows faster thorough the conductor

b.

can be stepped down

c.

is cheaper to generate

d.

reduces heat loss

a.

Increase in the pressure of the atmosphere

b.

Rise in temperature

c.

Increase in the surface

d.

Increase in the speed of wind

a.

impedance

b.

resistance

c.

reactance

d.

friction