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Criado por Chloe Roberts
mais de 10 anos atrás
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What is the national grid?
What are step-up transformers?
What are step-down transformers?
What are 4 disadvantages of underground cables?
What do waves transfer?
What are transverse waves?
What are longitudinal waves?
What is the amplitude?
What is the frequency (Hertz,HZ)
What is the Wavelength?
What is a plain mirror?
What is the normal?
What is a Virtual image?
What is the angle of incidence?
How do you draw reflection in 3 steps?
What is refraction?
Why does refraction happen?