5 Questions
What is the usual waveform of alternating current in most electric power circuits?
Sine wave
Why is electrical energy distributed as alternating current?
It is more efficient for long-distance transmission
What type of current do consumers typically use when they plug kitchen appliances, televisions, fans, and electric lamps into a wall socket?
Alternating current (AC)
What type of signal carries information such as sound (audio) or images (video) by modulation of an AC carrier signal?
Audio and radio signals
In which form is electric power delivered to businesses and residences?
Alternating current (AC)
Test your knowledge about alternating current (AC) and its applications in delivering electric power to businesses and residences. Explore the differences between AC and direct current (DC) and how AC is used in everyday appliances.
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