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प्रश्न
How is a cathode ray tube used to convert an electrical signal into a visual signal?
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उत्तर
In a CRT, the external P.D. refers to the electrical signal. The P.D. controls the deflection of electrons beam which strikes in the desired fashion direction and converts the electrical signal to visual signal.
संबंधित प्रश्न
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Reason (R): Rutherford did α-particles scattering experiment.
