1).
___________ stores charge
Capacitors
Resistors
Both
a and b
None of the above
2).
The parallel metal plates of the capacitor separated by ________
Insulators
Isolators
Both
a and b
None of the above
3).
The nominal capacitance of the paper capacitors is around ________
0.1uF
to 10uF
0.01uF
to 10uF
0.001uF
to 10uF
0.5uF to 10uF
4).
The working voltage of the paper capacitors is around ________
100v
to 200v
200v
to 300v
300v
to 600v
200v to 600v
5).
The typical tolerance of the paper capacitors is ________
2%
4%
6%
10%
6).
The temperature coefficient of the paper capacitors is ________
±100
deg/c
±400
deg/c
±800
deg/c
±1000 deg/c
7).
The disadvantage of the paper capacitor is _______
Size
Suspectible
and hygroscopic to moisture
Both
a and b
None of the above
8).
The advantage of the paper capacitor is _______
Low
cost
Voltage
rating is high
Stable
All of the above
9).
The dissipation factor of paper capacitors is _____
1%
4%
6%
10%
10).
The dielectric absorption of paper capacitors is __________
2.5%
4%
6%
10%
11).
How many conductors does the capacitor consist of?
One
Two
Three
Four
12).
The capacitance measured in ______
Watts
Henry
Farads
None of the above
13).
The dielectric materials increase the ________
Capacitance
Resistivity
Both
a and b
None of the above
14).
Capacitor obey _________ law
Coulombs
Ohms
law
Kirchhoffs
law
All of the above
15).
The relationship between frequency, capacitance, and capacitor reactance is
given by _____
Capacitance
reactance=1/2πfc
Capacitance
reactance=1/2πf
Capacitance
reactance=1/2fc
Capacitance reactance=1/4πfc
16).
The capacitors categorized into _______ groups
One
Two
Three
Four
17).
Which one is a polarized capacitor?
Electrolytic
capacitor
Ceramic
capacitor
Silver
capacitor
Teflon capacitor
18).
Which one is a non-polarized capacitor?
Polystyrene
capacitor
Ceramic
capacitor
Teflon
capacitor
All of the above
19).
_________ are the dielectric materials
Air
or Vaccum
Rubber,
oil, paper
Mica,
glass, ceramic
All of the above
20).
What is the standard unit of electric charge?
Watts
Henry
Farads
Coulombs
21).
To store the electric charge the ultra-capacitors uses ______ effect
Single
layer
Double
layer
Both
a and b
None of the above
22).
The advantages of ultra-capacitors are _______
Long
life
Transient
response is fast
Efficiency
is high
All of the above
23).
The capacitance range of supercapacitors is from ________
100
farad to 5000 farad
200
farad to 5000 farad
300
farad to 5000 farad
400 farad to 5000 farad
24).
The supercapacitors are also known as ________
Ultracapacitors
Electrical
double-layer capacitors
Ultra
or electrical double-layer capacitors
None of the above
25).
The hybrid capacitors are categorized into ______
One
Two
Three
Four
