A pair of closely spaced parallel conducting plates, charged with equal and oppo

Question

A pair of closely spaced parallel conducting plates, charged with equal and opposite electric charges, produces a uniform electric field in the region between them. In designing a cutting-edge device that will revolutionize the electronics industry, you set up such a pair of plates with a separation of 0.921 mm between them and charge them so that the direction of the electric field in their interior region is from plate A to plate B. Your idea requires that electrons, when released from rest at one of the plates, reach the other plate at the speed of 1.19% of the speed of light. (The speed of light is c = 3.00

Explanation / Answer

The electrons must be released from plate B. Potential difference between the plates must be V = 510999 eV * 0.0117^2 /2 = 34.97 Volt The strength of electric field must be E = V/d = 35508 N/C 510999 eV is rest mass of electron,

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