Physics-
General
Easy
Question
The voltage gain of the following amplifier is
- 10
- 100
- 1000
- 9.9
The correct answer is: 100
Voltage gain 
.
Related Questions to study
physics-
The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/sec. Each side of the square loop ABCD has a length of 1 cm and resistance of 4W. Find the current in the wire AB if the switch S is closed
The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/sec. Each side of the square loop ABCD has a length of 1 cm and resistance of 4W. Find the current in the wire AB if the switch S is closed
physics-General
physics-
A pair of parallel conducting rails lie at right angle to a uniform magnetic field of 2.0 T as shown in the fig. Two resistors 10 
and 5 are to slide without friction along the rail. The distance between the conducting rails is 0.1 m. Then
A pair of parallel conducting rails lie at right angle to a uniform magnetic field of 2.0 T as shown in the fig. Two resistors 10 and 5 are to slide without friction along the rail. The distance between the conducting rails is 0.1 m. Then
physics-General
physics-
Two coils P and Q are placed co-axially and carry current I and I' respectively
Two coils P and Q are placed co-axially and carry current I and I' respectively
physics-General
physics-
An alternating voltage of 141.4V (rms) is applied to a vacuum diode as shown in the figure. The maximum potential difference across the condenser will be
An alternating voltage of 141.4V (rms) is applied to a vacuum diode as shown in the figure. The maximum potential difference across the condenser will be
physics-General
physics-
The diagram of a logic circuit is given below. The output F of the circuit is represented by
The diagram of a logic circuit is given below. The output F of the circuit is represented by
physics-General
physics-
The shows two NAND gates followed by a NOR gate. The system is equivalent to the following logic gate
The shows two NAND gates followed by a NOR gate. The system is equivalent to the following logic gate
physics-General
physics-
The combination of gates shown below produces
The combination of gates shown below produces
physics-General
physics-
Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output (1) at R, we must have
Figure gives a system of logic gates. From the study of truth table it can be found that to produce a high output (1) at R, we must have
physics-General
physics-
The following configuration of gate is equivalent to
The following configuration of gate is equivalent to
physics-General
physics-
For the transistor circuit shown below, if , voltage drop between emitter and base is 0.7 V then value of will be
For the transistor circuit shown below, if , voltage drop between emitter and base is 0.7 V then value of will be
physics-General
physics-
In the following circuit find and
In the following circuit find and
physics-General
physics-
In the circuit shown in figure the maximum output voltage 
is
In the circuit shown in figure the maximum output voltage is
physics-General
physics-
Ge and Si diodes conduct at 0.3 V and 0.7 V respectively. In the following figure if Ge diode connection are reversed, the valve of V0 changes by
Ge and Si diodes conduct at 0.3 V and 0.7 V respectively. In the following figure if Ge diode connection are reversed, the valve of V0 changes by
physics-General
physics-
A diode is connected to 220 V (rms) ac in series with a capacitor as shown in figure. The voltage across the capacitor is
A diode is connected to 220 V (rms) ac in series with a capacitor as shown in figure. The voltage across the capacitor is
physics-General
physics-
In which of the following circuit is the current maximum just after the switch S is closed
In which of the following circuit is the current maximum just after the switch S is closed
physics-General
