Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

A DC motor is rated at 20 A with a voltage of 115 V. When the motor is running at its maximum power, it can lift an object with a weight of 4900.00 N a distance of 10.00 m, in 30.00 s, at a constant speed.

What is the power consumed by the motor?

Options:

2300 W

2000 W

2200 W

1300 W

Correct Answer:

2300 W

Explanation:

P = IV 

I = 20 A ; V = 115 V

P = 2300 W