3RD YEAR LEVEL 1 LESSON 6 REVIEW OF ALTERNATING CURRENT QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

3RD YEAR LEVEL 1 LESSON 6 REVIEW
OF ALTERNATING CURRENT
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
True - ANSWER One major advantage of alternating current is that it can be transformed from one
voltage to another.



Higher voltages - ANSWER Electricity can be transmitted more efficiently over long distances by using ? .



Sine wave - ANSWER The output of an AC generator can be represented by a waveform known as the ? .



360 - ANSWER One complete cycle of a sine wave contains a total of ? electrical degrees.



At right angles - ANSWER Maximum voltage is being generated when a loop of wire is moving ? to the
lines of flux.



current - ANSWER In an AC system, a sine wave can be used to show ? values.



90 degrees - ANSWER Generator output is at its maximum when the loop of wire is at ? or 270° of
rotation.



360 degrees - ANSWER Generator output is at its minimum or zero when it is at 0°, 180°, and ? .



period - ANSWER The actual time it takes a sine wave to complete a full cycle is called a(n) ? .



Frequency - ANSWER The measure of the number of cycles that occur in one second is called the ? .



Hz - ANSWER Frequency is measured in hertz, which is represented by the symbol ?