1.

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

Answer»

Correct Option (a) the grid 

Explanation :

The amplifying acting of a triode is based o 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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