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tv shoot out of beam of electrons the beam current is 10 metre how many electronics tractor tv per second how much screen in a minute

Posted by Harshali Srivastava 5 years, 2 months ago

CBSE > Class 10 > Science

1 answers

Priya ✧*｡٩(๑˙╰╯˙๑)و✧*｡ 5 years, 2 months ago

Current, I = 10 mA = 0.01 A; Time, T = 1 sec; Charge, Q = ? As per the formula: Charge = Current x Time Q = 0.01 x 1 Q = 0.01 C Now, Apply, Q = n x e n x 1.6 x 10-19 = 0.01 n = 0.01/1.6 x 10-19 n = 0.00625 x 1019 No of electrons are 6.25 x 1016 Hope it would be helpful?✌

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CBSE > Class 10 > Science