Advertisements
Advertisements
प्रश्न
Name five appliances or machines which use an electric motor.
Advertisements
उत्तर
Five appliances that use electric motor are:
(i) Electric fans
(ii) Washing machines
(iii) Refrigerators
(iv) Mixer and grinder
(v) Hair dryer
APPEARS IN
संबंधित प्रश्न
State two factors on which the work done on a body depends.
1 J = ______ calorie.
The power of a motor is 40 kW. At what speed can the motor raise a load of 20,000 N?
Fill in the blank with suitable word :
The work done on a body moving in a circular path is __________
The work done by a force acting obliquely is given by the formula : W = F cos θ ✕ s. What will happen to the work done if angle θ between the direction of force and motion of the body is increased gradually? Will it increase, decrease or remain constant.
When you move upstairs, do you perform some work?
A boy of mass m climbs up a staircase of vertical height h.
- What is the work done by the boy against the force of gravity?
- What would have been the work done if he uses a lift in climbing the same vertical height?
Name the material commonly used for the manufacturing of solar cells.
