Question

An electric motor of 1 HP is runs for 1 hour. The energy spent by motor is

5.37 MJ

2.68 MJ

3.6 MJ

5.26 MJ​

Answer 1

power of motor

<br> Electric energy connected for running a motor for the month of nevember

<br>

<br> Bill of electricity

<br>

2.68 please follow mark me as brainleast if the answer helps please like

Answer 2

Given:

Power of the electric motor = 1 HP

Time period for which the electric motor ran = 1 hour

To find:

Energy spent by the motor.

Solution:

To convert power in SI units:

1 horsepower = 745.699872 watts

Therefore the power of the electric motor = 745.699872 watts

Energy = Power *Time

Putting the values in the formula, we get:

= 745.699872 * 60* 60 = 2.68*10⁶ MJ

Because 1 MJ = 10⁶ J

Therefore the correct option is B which is 2.68 MJ.