Mercury, in arc rectifiers, is chosen for cathode because________________?

Electrical Engineering Mcqs

Mercury, in arc rectifiers, is chosen for cathode because________________?

(A)  its ionization potential is relatively low

(B)  its atomic weight is quite high

(C)  its boiling point and specific heat are low

(D)  it remains in liquid state at ordi¬nary temperature

(E)  all of the above

Submitted By :Ali Uppal

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