The output characteristics of a transistor is shown in the figure. When `V_(CE)` is 10 V and `I_C = 4.0 mA`, then value of `beta_(ac)` is _________

The V-I characteristic of a silicon diode is shown in figure . The resistance of the diode at I_D =15 mA is

In the circuit shown in figure value of V_(R) is

The I-V characteristics shown in the figure represents

The V-I characteristic of a diode is shown in the figure. The ratio of forward to reverse bias resistance is

The V-I characteristic of a diode is shown in the figure. The ratio of forward to reverse bias resistance is

A certain n-p-n transistor has the common emitter output characteristics as shown in the figure. (a) Find the emitter current at V_(CE)=12.5 V and I_(b)=60 muA, and (b) Current gain 'beta' at this point.

I-V characteristics of four devices are shown in figure. Identify devices that can be used for modulation

The rms value of potential difference V shown in the figure is

Output characteristics of an n-p-n transistor in CE configuration is shown in the Fig. Determine (i) dynamic output resistance (ii) dc current gain and (iii) ac current gain at an opererating point V_(CE)=10V , when I_(B)=30muA .

Consider the circuit arrangnent shown in Fig. for studying input and output characteristics of npn transistor in CE configuration. Select the values of R_ and R_ for a transistor whose V_(BE)=0.7V , so that the transistor is operating at point Q as shown in the characteristics shown in Fig. 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.