Electronic Devices and Circuits For a NPN bipolar transistor, what is the main stream of current in the base region? Diffusion of holes Drift of electrons Drift of holes Diffusion of electrons Diffusion of holes Drift of electrons Drift of holes Diffusion of electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In the sale of diamonds the unit of weight is carat. One carat is equal to 200 mg 100 mg 150 mg 500 mg 200 mg 100 mg 150 mg 500 mg ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits In a half wave rectifier, the load current flows For less than fourth cycle For full cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal For less than fourth cycle For full cycle Only for the negative half cycle of the input signal Only for the positive half cycle of the input signal ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits The output, V-I characteristics of an Enhancement type MOSFET has Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages Only a saturation region An ohmic region at low voltage value followed by a saturation region at higher voltages Only an ohmic region An ohmic region at large voltage values preceded by a saturation region at lower voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Piezoelectric quartz crystal resonators find application where Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required Signal amplification is required Rectification of the signal is required Modulation of signal is required Signal frequency control is required ANSWER DOWNLOAD EXAMIANS APP
Electronic Devices and Circuits Fermi level is the amount of energy in which None of these Must be given to an electron move to conduction band A hole can have at room temperature An electron can have at room temperature None of these Must be given to an electron move to conduction band A hole can have at room temperature An electron can have at room temperature ANSWER DOWNLOAD EXAMIANS APP
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