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