Analog Electronics Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is 51dB 102dB 49dB 98dB 51dB 102dB 49dB 98dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The typical input stage of an opamp has a single - ended input and single-ended output. differential input and single - ended output. single - ended input and differential output. differential input and differential output. single - ended input and single-ended output. differential input and single - ended output. single - ended input and differential output. differential input and differential output. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Conduction electrons have more mobility than holes because they have negative charge None of these need less energy to move them are free have negative charge None of these need less energy to move them are free ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a BJT is gm rπ gm /rπ gm r0 gm / r0 gm rπ gm /rπ gm r0 gm / r0 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The amount of time between the creation and disappearance of a free electrons is called bound electrons life time of the carriers recombination drift velocity bound electrons life time of the carriers recombination drift velocity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is an energy gap? Energy level at which an electron can exist Energy band in which electrons can move freely None of these Space between two orbital shells Energy level at which an electron can exist Energy band in which electrons can move freely None of these Space between two orbital shells ANSWER DOWNLOAD EXAMIANS APP
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