Name: Solar Cell - Working and Principle
Uploaded: 2019-07-19
Duration: 6 min 50 s
Description: Have you wondered how a solar cell works? And, how do you think the light coming from the sun generates electricity? Watch this video to find out the answer.

Question

With the help of a circuit diagram, explain the input and output characteristics of a common emitter

n - p - n

transistor configuration. State the conclusions drawn from the characteristics curves.

Accepted Answer

(a) Characteristic Curves: The circuit diagram for determining the static characteristic curves of an n-p-n transistor in common-emitter configuration is shown in figure.

Common Emitter Characteristics: (i)Input characteristics: These characteristic curves are obtained by plotting base current ( $I_{B}$ ) versus base-emitter voltage $V_{B E}$ for fixed collector-emitter voltage $V_{C E}$ . Fig. represents these characteristics.

(ii) Output characteristics: These characteristics are obtained by plotting collector current $I_{C}$ versus collector-emitter voltage $V_{C E}$ at a fixed value of base current $I_{B}$ . The base current is changed to some other fixed value and the observations of $I_{C}$ versus $V_{C E}$ are repeated. Fig. represents the output characteristics of a common-emitter circuit. Input Resistance. It is the ratio of change in base-emitter voltage ( $∆ V_{B E}$ ) to the corresponding change in base current ( $∆ I_{B}$ ) at constant collector-emitter voltage $V_{C E}$ .

With the help of a circuit diagram, explain the input and output characteristics of a common emitter $n - p - n$ transistor configuration. State the conclusions drawn from the characteristics curves.

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

Learn and Prepare for any exam you want !

With the help of a circuit diagram, explain the input and output characteristics of a common emitter n-p-n transistor configuration. State the conclusions drawn from the characteristics curves.

Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits

Learn and Prepare for any exam you want !

With the help of a circuit diagram, explain the input and output characteristics of a common emitter $n - p - n$ transistor configuration. State the conclusions drawn from the characteristics curves.