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AC Voltage
Test Description: Alternating voltage test
Instructions: Answer all questions to get your test result.
1) The unit of current is
A
Volt (V)
B
Hertz (Hz)
C
Ampere (A)
D
Watt (W)
2) The horizontal sensitivity ( Time Base ) is used to determine
A
period
B
current
C
Maximum voltage
D
voltage
3) The voltage supplied by the mains of EDL is characterized by
A
Only alternating voltage of of effective voltage 220 V
B
All choices
C
only 50 hertz
D
only alternating sinusoidal of maximum voltage 310 V
4) Vertical sensitivity is used to determine
A
Effective voltage
B
Period
C
Frequency
D
Maximium Voltage
5) Frequency is defined
A
it is voltage per current
B
All Choices
C
the needed to do one cycle
D
Number of cycles per unit of time
6) the formula to determine Effective voltage is
A
I/U
B
1/T
C
Umax/√2
D
SVx Y
7) The unit of period is
A
Voltage (V)
B
hertz (Hz)
C
Ampere ( A)
D
second (sec)
8) The unit of vertical sensitivity is
A
V/div
B
div
C
Sec
D
sec/div
9) The Effective voltage is measured by
A
Non of All
B
oscilloscope
C
Ohmmeter
D
Multimeter
10) the unit of horizantal sensitivity is
A
V/div
B
Sec/v
C
Sec/div
D
sec
*select an answer for all questions
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