When were the first solid state devices manufactured ? 1950 1970 1960 1940 TRUE ANSWER : ? YOUR ANSWER : ?
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is 5KΩ 1/5KΩ 11KΩ 1/11KΩ TRUE ANSWER : ? YOUR ANSWER : ?
When VGS = 0 V, a JFET is saturated. cut off. an analog device. an open switch. TRUE ANSWER : ? YOUR ANSWER : ?
Suppose the base resistor is open. The Q point will be at the upper end of the load line. in the middle of the load line. at the lower end of the load line. off the load line. TRUE ANSWER : ? YOUR ANSWER : ?
The first step in analyzing emitter-based circuits is to find the supply current. base current. emitter current. collector current. TRUE ANSWER : ? YOUR ANSWER : ?
Ignoring the bulk resistance of the collector diode, the collector-emitter saturation voltage is 1 V. supply voltage. 0. a few tenths of a volt. TRUE ANSWER : ? YOUR ANSWER : ?
In a N-type semiconductor material electrons are .................... High charge carriers Majority charge carriers Low charge carriers Minority charge carriers TRUE ANSWER : ? YOUR ANSWER : ?
For a transistor amplifier with self- biasing network, the following components are used: R1 = 4 KΩ, R2 = 4 KΩ and RE = 1 KΩ, the approximate value of stability factor will be 3. 4. 1.5. 2. TRUE ANSWER : ? YOUR ANSWER : ?
To prevent a DC return between source and load, it is necessary to use Resistor between source and load Inductor between source and load Either A or B Capacitor between source and load TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is Pentavalent impurity? indium boron gallium antimony TRUE ANSWER : ? YOUR ANSWER : ?