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WorksheetsAC/DC Current
Total questions: 11
Worksheet time: 6mins
An oscilloscope shows the current flow above what type of current is it showing?
DC
AC
Rectified Current
Non rectified current
DC
AC
rectified current
non rectified current
Alternating current is produced in most power stations.
True
False
Mains current has a frequency of 50 Hz. This means it changes direction 50 times every __________.
second
Minute
Time
Hertz
Which type of current is flowing ?
Alternating current
Direct current
Both
None
What type of current is flowing in the circuit ?
Alternating current
Direct current
Both
None
How does A.C and D.C differs from each other ?
The magnitude and direction of A.C do not change while changes in D.C
Only magnitude changes in both A.C and DC
The magnitude and direction of D.C do not change while changes in A.C
Only Direction changes in both A.C and DC
Quantity of charge can be measured in
time (s)
Ampere (A)
coulombs (C)
Joule (J)
The number of cycles that are completed per second is called the ________ and is measured in _________.
frequency, Hertz
wavelength, meters
amplitude, meters
period, seconds
