AC and DC supply _ GCSE Physics
Interactive Video
•
Engineering, Physics, Science
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
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The video tutorial explains the difference between direct current (DC) and alternating current (AC). It describes how DC flows in one direction, commonly supplied by batteries, and how AC changes direction, as seen in mains electricity. The tutorial also covers how to calculate the period and frequency of AC using an oscilloscope, with examples demonstrating the UK's 50 Hertz frequency.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How can you calculate the frequency from an oscilloscope trace?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the period of an alternating current if it is 50 Hertz?
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