Find the values of `r_p, mu and g_m` of a triode operating at plate voltage `200 V` and grid voltage `-6 V`. The plate characteristic are shown in figure.

The plate resistance and the amplification factor of a triode are 10 kOmega and 20 . The tube is operated at plate voltage 250 V and grid voltage -7.5 V . The plate current is 10 mA . (a) To what value should the grid voltage be changed so as to increase the plate current to 15 mA ? (b) To what value should the plate voltage be changed to take the plate current back to 10 mA ?

The plate resistance and the amplification factor of a triode are 10 kOmega and 20 . The tube is operated at plate voltage 250 V and grid voltage -7.5 V . The plate current is 10 mA . (a) To what value should the grid voltage be changed so as to increase the plate current to 15 mA ? (b) To what value should the plate voltage be changed to take the plate current back to 10 mA ?

Write the relation among r_p, g_m and mu for a triode valve.

What is the value of output voltage V_0 in the circuit shown in the figure ?

Consider the circuit arrangement shown in figure (1) for studying input and output characteristics of n-p-n transistor in CE configuration. Select the values of R_(B) and R_(C ) for a transistor whose V_(BE)=0.7V , so that the transistor is operating at point Q as shown in the characteristics shown in figure (2). Given that the input impedance of the transistor is very small and V_(C C)=V_(BB)=16V , also find the voltage gain and power gain of circuit making appropriate assumptions.

What is the value of output voltage V_(0) in the circuit shown in the figure ?

What is the value of output voltage V_(0) in the circuit shown in the figure ?

In a vaccume diode, when the plate voltage is 40 V, the plate current is 10 mA. For a plate voltage of 160 V, the plate current is