Shown below is a motor rising a 5 kg mass. If the solar panel shown receives solar energy at a rate of 900W/m?, if its area is 2 m², the voltage that it produces is 12 V and its efficiency is 15 %. (a) How muchcurrent is the solar panel producing? . (b) What is the rate of heat dissipation? (c) How fast is the motordissipating heat? (d) At what velocity will the mass shown rise. Assume that the temperatures remain thesame all through the system and that the angular velocity of the motor is constant.Area = 2 m²AV = 12 VO = ?G = 900 W/m?n = 15 %n = 85 %IR = 0.2 mi = ?MotorQ = ?m = 5 kgin

Answered: Shown below is a motor rising a 5 kg…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Shown below is a motor rising a 5 kg mass. If the solar panel shown receives solar energy at a rate of 900
W/m?, if its area is 2 m², the voltage that it produces is 12 V and its efficiency is 15 %. (a) How much
current is the solar panel producing? . (b) What is the rate of heat dissipation? (c) How fast is the motor
dissipating heat? (d) At what velocity will the mass shown rise. Assume that the temperatures remain the
same all through the system and that the angular velocity of the motor is constant.
Area = 2 m²
AV = 12 V
O = ?
G = 900 W/m?
n = 15 %
n = 85 %
IR = 0.2 m
i = ?
Motor
Q = ?
m = 5 kg
in

Expert Solution

Step 1: Introduction

In the above question it is given that, there is a solar panel producing a current with some efficiency and supplying current to the motor. Motor also working with some efficiency transforming the electrical energy into rotational mechanical energy and lifting the weight upwards.

So in this question, we will use some expression as:

The Power produced by the solar panel, $Q = G \times A$

where, Q is the solar power produced by the solar panel

A is the area of the panel

$G$ is the energy rate for the solar panel

The power supplied to the motor, $P = η_{s} Q$

$η_{s}$ is the efficiency of the panel