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For amplification by a triode, the signal to be amplified is given to (a) The cathode (b) The grid (c) The glass-envelope (d) The anode



For amplification by a triode, the signal to be amplified is given to


        (a)    The cathode


        (b)    The grid


(c)    The glass-envelope


(d)    The anode


Grade:11

1 Answers

Hrishant Goswami
343 Points
8 years ago

(b)

The amplifying action of a triode is based on the fact that a small change in grid voltage causes a large change in plate current. The AC input signal which is to be amplified is superimposed on the grid potential.

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