What does AC stand for in electrical terms?
Actual Current
Alternating Current
Active Current
Ampere Current
Which scientist is credited with developing the first AC system?
Thomas Edison
Nikola Tesla
Benjamin Franklin
George Westinghouse
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 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
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
What happens to AC current when it crosses the zero line?
Stops flowing
Changes direction
Increases speed
Becomes DC

