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Earth and the Plug

Physics · Class 10

Q1. Explain construction/function of three-pin plug.

Q2. Compare live, neutral and earth.

Q3. Explain earthing during a fault.

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Alpha, Beta and Gamma

Alpha, beta and gamma are the three main types of nuclear radiation studied at this level.

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Analogue signals vary continuously; digital signals use discrete levels such as binary 0 and 1. ADC converts analogue to digital; DAC converts digital to analogue.

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Waveform analysis shows amplitude, frequency, period and shape.

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