1.

A change of 0.8 mA in the anode current of a triode occurs when the anode potential is changed by 10 V. If m = 8 for the triode, then what change in the grid voltage would be required to produce a change of 4 mA in the anode current

A.            6.25 V                                      
B.            0.16 V
C.            15.2 V                                      
D.            None of these
Answer» B.            0.16 V


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