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Electrons can be transferred from one place to another by the process of
Q13: If an electron vibrates up and down
Q14: When a bimetallic bar made of copper
Q17: The explanation for refraction must involve a
Q21: When current reverses direction in a wire,
Q32: An uncharged pith ball is suspended by
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Q46: When a rainbow is seen as a
Q53: The speed of light in the void
Q58: In terms of thermal expansion it is
Q80: Imagine a single charge q placed at