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WorksheetsAlternating Current (AC)
Total questions: 20
Worksheet time: 20mins
AC stands for
Air-condition
Direct Current
Alternating Current
Alternating Voltage
unit of voltage is
Ampere
mA
Volt
Watt
Energy is measured by
Watt.hr
watt
Kilo Watt
Kilo Volt
electric current is the flow of
charges
neutrons
volts
water
Battery is
AC source
DC source
none of the above
all of the above
power equals
voltage divided by current
voltage multiplied by resistance
voltage
voltage multiplied by current
AC is a result of
Chemical reaction
Electromagnetic reaction
Biological reaction
none of the above
period is
1/F
1/T
T/F
V/T
Amplitude is measured in
seconds
hours
Volts
Watts
On the oscilloscope the vertical axis represents
Frequency
Time
Power
Voltage
On the oscilloscope the time is represented on
the vertical axis
the horizontal axis
the sine of the angle
not represented on the scope
the electricity in our house is
AC
DC
BC
AD
Peak to Peak voltage equals
2*Amplitude
2*Vmax
2*Vp
all of the above
Peak to Peak voltage is
tmax - tmin
Tmax - Tmin
Vmax - 0
Vmax - Vmin
Basic Electrical system consists of:
source, voltage, load
switch, fuse, load
source, conductor, load
source, switch, conductor
Multimeter used to measure
AC voltage
DC voltage
Resistance
All of the above
milli Amps equals
1000 A
10 A
0.1 A
0.001 A
The resistance of the ideal conductor is
very low
medium
high
very high
Measuring AC voltage by multimeter should
need to consider the polarity
no need to consider the polarity
need to install in series
None of the above
Insulator
doesn't allow current to pass
allows current to pass
has low resistance
has low voltage
