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Electric Charge

Physics · Class 10

Q1. Define electric charge.

Q2. State the law of attraction and repulsion.

Q3. Explain positive and negative charging using electrons.

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CONTENTREQUIREDFROM_CHATGPT

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D.c. flows in one direction; a.c. reverses periodically.

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Acoustic lensing uses designed materials or structures to control and focus sound.

Alpha, Beta and Gamma

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

Analogue Versus Digital

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.

Analyzing Sound Waves

Waveform analysis shows amplitude, frequency, period and shape.

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