
Capacitors and Their Applications

Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard
Nancy Jackson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a capacitor?
To generate electricity
To store charge
To amplify signals
To convert AC to DC
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of capacitance, what does the unit 'farad' represent?
Watt per Second
Coulomb per Volt
Joule per Coulomb
Volt per Ampere
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the voltage across a capacitor is doubled, what happens to the charge stored?
It remains the same
It is quadrupled
It is doubled
It is halved
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between charge (Q), voltage (V), and capacitance (C) in a capacitor?
Q = C/V
C = V/Q
V = Q/C
C = Q/V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the conventional direction of current flow in a circuit?
Randomly in all directions
From negative to positive
In a circular motion
From positive to negative
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the distance between the plates of a parallel plate capacitor affect its capacitance?
Decreases capacitance
Doubles the capacitance
Increases capacitance
No effect on capacitance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of inserting a dielectric material between the plates of a capacitor?
Reverses the polarity
No effect on capacitance
Increases capacitance
Decreases capacitance
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