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  3. a cathode emits 1 8 x 10 7 electrons s and all the

A cathode emits 1 8 x 10 7 electrons s and all the electrons reach...

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A cathode emits 1 8 x 10 7 electrons s and all the electrons reach the anode when it is given a positive potential of 400 V Given e 1 6 x 10 C the maximum anode current is 1 2 88 mA 3 7 2 mA 2 28 8 mA 4 6 4 mA

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