What is the source of electric current in a diode valve ?

What is the source of electric current in a diode valve ?
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1 Answer

Answer :

: Heat dissipation from the cathode is the source of electric current in the diode.
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A shuttle valve will: a. Allow the accumulator to be emptied after engine shut down b. Reduce pump loading when normal system pressure is reached c. Automatically switched to a more appropriate source of hydraulic supply d. Operate on a rising pressure, higher than the Full Flow relief valve

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The dc current through each diode in a bridge rectifier equals : -

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what is the leakage current of diode?

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