A cycle wheel is fitted with spokes because

Give reason for the following (a) Bicycle wheels are provided with spokes (b) There are two fan a helicopter.

A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of 18 km//hr in a plane normal to the earth’s magnetic induction of 3.6 xx 10^-5 T . Calculate the e.m.f. induced between the ends of single spoke and ten spokes.

A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of 18 km//hr in a plane normal to the earth’s magnetic induction of 3.6 xx 10^-5 T . Calculate the e.m.f. induced between the axle and rim of the cycle wheel

A cycle is fitted with small brakes and another is fitted with very big brakes. The one which is more effective is

A cycle is fitted with small brakes and another is fitted with very big brakes. The one which is more effective is

Fly-wheel is used with an engine because it

Fly-wheel is used with an engine because it