Power Electronics Problem Set 2a

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Engineering, Other, Physics, Science
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main objective of the tutorial session?
To memorize the solutions to the problems
To focus on the thermal resistance calculations
To understand the concepts of switching and conduction losses
To learn how to manipulate circuit questions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Problem #1, what is the frequency of the switch operation?
20 kHz
15 kHz
25 kHz
10 kHz
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total power dissipation calculated in Problem #1?
11.5 watts
10 watts
9.75 watts
8.98 watts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the thermal resistance required to maintain the device case temperature below 80 degrees in Problem #1?
7 Celsius per watt
4 Celsius per watt
5 Celsius per watt
6 Celsius per watt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Problem #2, what is the duty cycle of the transistor?
30%
60%
40%
50%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the modeled current source value for the inductive load in Problem #2?
4 A
5 A
7 A
6 A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Problem #3, what is the frequency of the square wave output produced by the inverter?
6 kHz
7 kHz
5 kHz
4 kHz
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