CHAPTER 6: ALTERNATING CURRENT
Authored by Nageswary Loganathan
Physics
12th Grade
NGSS covered
Used 109+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
AC stands for
Air-conditioner
Direct Current
Alternating Current
Alternating Voltage
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Battery is
AC source
DC source
none of the above
all of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a circuit containing resistance only, the voltage and current are ____________________ with one
another.
together
anti phase
in phase
full rotation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The power factor is the ratio of __________________ power to _________________ power.
true and apparent
true and real
positive and negative
factor and real
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The current in an inductive circuit _____.
is faster than the voltage
is the same as the voltage
lags the voltage
counteracts the voltage
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When frequency decreases, capacitive reactance _____.
increases
decreases
remains the same
may increase or decrease
Tags
NGSS.HS-PS4-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true of the current in a capacitive circuit?
It leads the voltage.
It lags the voltage.
It is the same as the voltage.
It counteracts the voltage.
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