Which of the following does not obey the Ohm's law? Semiconductor Bilateral device Resistor None of these TRUE ANSWER : ? YOUR ANSWER : ?
The arrowhead on the transistor symbol points in the direction of minority carrier flow in the emitter region. electron flow in the emitter region. conventional electric current flow in the emitter region. majority carrier flow in the emitter region. TRUE ANSWER : ? YOUR ANSWER : ?
Which of following is not an essential element of a DC power supply? Voltage amplifier. Filter. Rectifier. Voltage regulator. TRUE ANSWER : ? YOUR ANSWER : ?
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be 3.2mA 2.3mA 4.6mA 5.2mA TRUE ANSWER : ? YOUR ANSWER : ?
The emitter of the transistor is generally doped the heaviest because it must possess low resistance. is the first region of transistor. has to dissipate maximum power. has to supply the charge carriers. TRUE ANSWER : ? YOUR ANSWER : ?
The AC base voltage of an emitter follower is across the DC emitter resistor. emitter diode and external AC emitter resistance. emitter diode. load resistor. TRUE ANSWER : ? YOUR ANSWER : ?
For a reverse biased pn junction, the electric current through the junction increases abruptly at 0.2 eV. breakdown voltage. 0 V. 7.2 eV. TRUE ANSWER : ? YOUR ANSWER : ?
When P-type substance is connected with negative and n-type is connected with positive terminal of the battery then P-n junction diode is in .................... No biased Reverse biased None of these Forward biased TRUE ANSWER : ? YOUR ANSWER : ?
In a rectifier circuit, the diode converts alternating current to direct voltage. both (A) and (C) options are connect. alternating voltage to direct voltage. alternating voltage to direct current. TRUE ANSWER : ? YOUR ANSWER : ?