Home
Class 11
PHYSICS
A motor of efficiency 80 % draws water f...

A motor of efficiency 80 % draws water from a well of depth 20 m and fills a tank of dimensions `4m xx 3m xx 2m` in 5 mintues. If the tank is at a height of 10 m above ground, the power of the motor is

A

0.3 kW

B

24 kW

C

120 kW

D

30 kW

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (VERTICAL CIRCLE)|12 Videos
  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (ELASTIC COLLISIONS)|8 Videos
  • WORK, POWER & ENERGY

    AAKASH SERIES|Exercise PRACTICE EXERCISE (EMERGY)|31 Videos
  • WORK POWER ENERGY

    AAKASH SERIES|Exercise EXERCISE - 3|61 Videos

Similar Questions

Explore conceptually related problems

A motor is used to lift water from a well of depth 10m and to fill a water tank of volume 30m^(3) in 10 minutes. The tank is at a height of 20m above ground. If 20% of energy is wasted, the power of the motor is

A motor of power 2.45 kW draws water from a well of depth 20 m. If it fills a tank of capacity 3000 lit in 7 minutes. The height of the tank above ground is