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