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What is the Frequency response of common emitter amplifier?
The voltage gain is a measure of the amplified output available at the collector terminal divided by the voltage measured on the base. This if you have 10 mV applied to the base and voltage of 1 volt at the collector the voltage gain is 100ANSWERThe maximum voltage gain of a common emitter amplifier is dependant on the transistor itself. Some have only a very small voltage gain such as in Radio Frequency Power transistors. These are almost all used as common emitter circuits for bipolar transistors or common source for FETs.. On the other hand some darlington transistors can have common emitter gains of hundreds of thousands. If the stage has an unbypassed emitter resistor, the voltage gain is equal to Rload/RE, (Rload is the parallel value of the resistance from collector to the supply and the resistance of the load).If the emitter resistance is bypassed, the value of resistance to be used for RE is the internal Re which is equal to 25mV/Ie
Why a capacitor is used for amplification in common emitter circuit?
A: The ratio of emitter/collector resistance is the gain. by adding a capacitor on the emitter the AC parameters will shift as a function of frequency
Application of a common - collector amplifier circuit?
Common collector amplifier can be used as a voltage buffer and in impedance matching
How was the transistor used?
Transistor is combination of two words 1. Transfer 2. Resistance , so it means transfer of resistance, it is basically 3 terminals device 1. Common 2. Base 3. Collector for details visit at http://pakistaninfra.blogspot.com
What is hardness value?
Hardness value is a measure of a material's resistance to deformation, particularly localized deformation. It is often used as an indicator of a material's strength, wear resistance, and suitability for certain applications. Common hardness tests include Rockwell, Brinell, and Vickers tests.
Which bjt transistor amplifier can be used as a voltage buffer?
the common collector can use as voltage buffer
How the resistance value for the linear resistance can be changed?
Resistance can be changed by strain over time and changes in the temperature. Resistance thermometers are sensors that are used to measure temperature by correlating the resistance of the RTD elements.
How can a multimeter be used to measure the resistance of a circuit component?
A multimeter can be used to measure the resistance of a circuit component by setting it to the resistance measurement mode, connecting the probes to the component, and reading the resistance value displayed on the multimeter screen.
Why is a common collector used in the last stage of the amplifier?
becoz it gives good gain which is necessary for an amplifier.
State 3 functions of wheatstone bridge?
Wheatstone bridge is used to calculate the resistance of unknown resistor in the circuit.
What re the difference between slide-wire rheostat carbon rheostat and resistance box.?
Slide wire rheostat: We can get continuous variation in resistance. It is used in such situations where we are supposed to get a fixed current flowing throug the circuit-some integral value like 1,2 etc instead of 1.343 and all. Resistance box: It is a deveice used to get a specific value of resistance. We may not get a simple value for current.
What is the resistance value for LED bulb in 12v DC circut?
The resistance value for an LED bulb in a 12V DC circuit can vary depending on the specific LED bulb used. Generally, LEDs have very low resistance values due to their semiconductor nature. It is more common to use a current-limiting resistor in series with the LED to control the current and prevent damage to the LED.
