What does AC stand for in electrical terms?
Actual Current
Alternating Current
Active Current
Ampere Current
What is the standard household AC frequency in the United States?
50 Hz
60 Hz
100 Hz
120 Hz
Which scientist is credited with developing the first AC system?
Thomas Edison
Nikola Tesla
Benjamin Franklin
George Westinghouse
What shape does an AC waveform typically have?
Square
Triangle
Sine
Straight line
What is the standard household AC voltage in the United States?
110/120V
220/240V
12V
50V
Which device converts AC to DC?
Inverter
Rectifier
Transformer
Capacitor
What color is typically used for the neutral wire in AC wiring?
Black
Red
White
Green
What is the main advantage of AC over DC for power transmission?
Cheaper to produce
Easier to transform voltage levels
More stable current
Lower voltage needed
What device protects against AC current overload in homes?
Transformer
Circuit breaker
Capacitor
Resistor
What does Hz stand for in AC electricity?
Hertz
Horizontal
Height
Heat zone
Which country uses 50 Hz as their standard AC frequency?
United States
Canada
United Kingdom
Japan
What happens to AC voltage at the peak of its sine wave?
Stops completely
Reaches maximum value
Becomes negative
Stays constant
Which wire carries the dangerous voltage in AC wiring?
Ground wire
Neutral wire
Hot wire
Return wire
What color is the ground wire typically in AC wiring?
Black
White
Red
Green
What type of current does a typical solar panel produce?
AC
DC
Both AC and DC
Neither
What device is used to change AC voltage levels?
Capacitor
Transformer
Resistor
Battery
How many times does AC current reverse direction each second at 60 Hz?
30 times
60 times
120 times
240 times
What is the purpose of a ground wire in AC wiring?
Carry current
Safety
Increase voltage
Reduce frequency
Which device converts DC to AC?
Rectifier
Transformer
Inverter
Capacitor
What happens to AC current when it crosses the zero line?
Stops flowing
Changes direction
Increases speed
Becomes DC
