Electricity and Alternating Current Crossword Puzzle

QUESTIONS LIST:

• alternating : type of current that changes direction periodically
• ohm : unit of measurement for electrical resistance
• resistor : device used to control the flow of current
• direct : type of current that does not change direction periodically
• hertz : frequency measured in
• watt : units for power
• national grid : system of pylons and cables that carry electricity to homes
• transformer : used to step up or down the voltage
• amp : unit for current
• voltmeter : measures voltage
• oscilloscope : device used to display alternating and direct current