How many electrons strike the screen each second

Reference no: EM13329560

The electron beam inside a television picture tube is 0.40mm in diameter and carries a current of 50uA. This electron beam impinges on the inside of the picture tube screen.

part 1 How many electrons strike the screen each second?

part 2 The electrons move with a velocity of 4.0x10^7 What electric field strength is needed to accelerate electrons from rest to this velocity in a distance of 5.0 mm?

Reference no: EM13329560

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