
Understanding Capacitive Reactance
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of capacitive reactance in a circuit?
To increase current flow
To oppose changes in voltage
To store energy
To decrease resistance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which symbol is used to represent capacitive reactance?
Z
R
X
C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is capacitive reactance calculated using frequency?
X = 1 / (2πfC)
X = f / (2πC)
X = 1 / (fC)
X = 2πfC
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the angular velocity (Omega) in terms of frequency?
Omega = T / 2π
Omega = 2πf
Omega = 2π / T
Omega = f / 2π
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between frequency and period?
They are unrelated
They are equal
They are directly proportional
They are inversely proportional
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to capacitive reactance as frequency increases?
It increases
It decreases
It remains constant
It becomes zero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the frequency of a voltage source is decreased, how does it affect the capacitive reactance?
The reactance decreases
The reactance increases
The reactance remains unchanged
The reactance becomes zero
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