Physics-
General
Easy
Question
An NPN-transistor circuit is arranged as shown in figure. It is
- A common base amplifier circuit
- A common emitter amplifier circuit
- A common collector amplifier circuit
- Neither of the above
The correct answer is: A common emitter amplifier circuit
Because emitter (N) is common to both, base (P) and collector (N).
Related Questions to study
Physics-
The symbol given in figure represents
The symbol given in figure represents
Physics-General
Physics-
For a transistor the parameter 
= 99. The value of the parameter 
is
For a transistor the parameter = 99. The value of the parameter is
Physics-General
Physics-
The phase difference between input and output voltages of a CE circuit is
The phase difference between input and output voltages of a CE circuit is
Physics-General
Physics-
The current through an ideal PN-junction shown in the following circuit diagram will be
The current through an ideal PN-junction shown in the following circuit diagram will be
Physics-General
Physics-
In the diagram, the input is across the terminals A and C and the output is across the terminals B and D, then the output is
In the diagram, the input is across the terminals A and C and the output is across the terminals B and D, then the output is
Physics-General
Physics-
A semiconductor X is made by doping a germanium crystal with arsenic (Z = 33). A second semiconductor Y is made by doping germanium with indium (Z = 49). The two are joined end to end and connected to a battery as shown. Which of the following statements is correct
A semiconductor X is made by doping a germanium crystal with arsenic (Z = 33). A second semiconductor Y is made by doping germanium with indium (Z = 49). The two are joined end to end and connected to a battery as shown. Which of the following statements is correct
Physics-General
Physics-
The diode shown in the circuit is a silicon diode. The potential difference between the points A and B will be
The diode shown in the circuit is a silicon diode. The potential difference between the points A and B will be
Physics-General
Physics-
For the given circuit of PN-junction diode, which of the following statement is correct
For the given circuit of PN-junction diode, which of the following statement is correct
Physics-General
Physics-
In the given figure, which of the diodes are forward biased?
In the given figure, which of the diodes are forward biased?
Physics-General
Physics-
In a P-N junction diode if P region is heavily doped than n region then the depletion layer is
In a P-N junction diode if P region is heavily doped than n region then the depletion layer is
Physics-General
Physics-
Two PN-junctions can be connected in series by three different methods as shown in the figure. If the potential difference in the junctions is the same, then the correct connections will be
Two PN-junctions can be connected in series by three different methods as shown in the figure. If the potential difference in the junctions is the same, then the correct connections will be
Physics-General
Physics-
What is the current in the circuit shown below
What is the current in the circuit shown below
Physics-General
Physics-
In the circuit given below, the value of the current is
In the circuit given below, the value of the current is
Physics-General
Physics-
The frequency 
corresponding to which energy emitted by a black body is maximum may vary with temperature 
of the body as shown in figure. Which of the curves represents correct variation?
The frequency corresponding to which energy emitted by a black body is maximum may vary with temperature of the body as shown in figure. Which of the curves represents correct variation?
Physics-General
Physics-
Solar radiation emitted by sun resembles that emitted by a black body at a temperature of 6000 K. Maximum intensity in emitted at a wavelength of about 4800
. If the sun were cooled down from 6000 K to 3000 K, then the peak intensity would occur at a wavelength of
Solar radiation emitted by sun resembles that emitted by a black body at a temperature of 6000 K. Maximum intensity in emitted at a wavelength of about 4800. If the sun were cooled down from 6000 K to 3000 K, then the peak intensity would occur at a wavelength of
Physics-General
