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ECE Quiz Bowl 2022 Flashcards | StudBud
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ECE Quiz Bowl 2022
ECE Quiz Bowl 2022
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1
A sound wave on a certain material has a wavelength of 10cm and a frequency of 2000Hz. What is the velocity of the wave?
250m/s
186m/s
220m/s
200m/s
2
Find the sum of the roots of 5x
2
-10x+2=0.
5
3
4
2
3
What is the energy something possesses by virtue of its position?
Mechanical Energy
Potential Energy
Rest Energy
Kinetic Energy
4
What are the four subjects or divisions in the ECE Board Exams?
ELEX, ESAT, MATH, GEAS
Naruto, Sasuke, Sakura, Kakashi
Tinky Winky, Dipsy, Lala, Po
Aang, Katara, Zuko, Toph
5
The fifth state of matter is called plasma.
True
False
6
Ten less than four times a certain number is 14. Determine the number.
6
2
8
4
7
In chemistry, what is the pH of a neutral solution?
-7
-4
7
4
8
Which of the following is equivalent to a volt?
joule/watt
watt/coulomb
watt/joule
joule/coulomb
9
The properties of a material that changes when the amount of substance changes are called ________ properties.
Intensive
Chemical
Extensive
Physical
10
Which is NOT a fundamental physical quantity of mechanics?
Length
Volume
Time
Mass
11
What components of an atom are found in the nucleus?
Protons and Neutrons
Cations and Anions
Electrons and Neutrons
Electrons and Protons
12
Find the 1987th digit in the decimal equivalent to 1785/9999 starting from the decimal point.
1
5
7
8
13
The statement " If two objects interact, they apply the same magnitude of force but of different direction" pertains to
The Third Law of Motion
The Second Law of Motion
The First Law of Motion
None of the above
14
What is the mass of an electron in grams?
9.109387x10-26
1.007276x10-4
5.910203x10-23
1.672623x10-24
15
What is the equivalent of the Roman numeral MCMXCIV in the Arabic numeral?
1994
1974
1984
1964
16
If the roots of an equation are zero, then these roots are classified as what type of solution?
Approximate Solution
Conditional Solution
Extraneous Solution
Hypergolic Solution
17
The roots of a quadratic equation are 1/3 and 1/4. What is the equation?
x2+7x+1 = 0
x2-7x+1 = 0
x2+7x+2 = 0
x2-7x+2 = 0
18
The unit of conductance is called Siemens (S).
True
False
19
What is the SI unit of power?
Joule
Newton-second
Watt
Newton
20
If P1000 accumulates to P1500 wheninvested at simple interest for threeyears, what is the rate of interest?
15.89%
14.12%
18.97%
16.67%
21
Marlon is 25 years younger than his father. His father will be twice his age in 10 years. How old is his father?
30
50
45
40
22
What volume of concentrated sulfuric acid would weigh 0.82kg if its density is 1.85g/ml?
531.23ml
443.24ml
440.30ml
357.09ml
23
What is the number of complete cycles of alternating voltage or current completed each second?
Revolution
Frequency
Period
Transmission
24
Mary is 24 years old. Mary is twice as old as Ann when Mary was as old as Ann now. How old is Ann?
20
16
18
22