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 49dB 98dB 102dB 51dB 49dB 98dB 102dB 51dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The 741 C has a unity - gain frequency of 1 MHz. 20 Hz. 15 MHz. 10 Hz. 1 MHz. 20 Hz. 15 MHz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The base-emitter voltage of an ideal transistor is 0.7 V. 1 V. 0 V. 0.3 V. 0.7 V. 1 V. 0 V. 0.3 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which process is used for adding impurity into a pure semiconductor material ? Conducting Doping Insulating None of these Conducting Doping Insulating None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The emitter electric current in a junction with normal bias changes greatly by a small changes in collector bias voltage. is equal to the sum of IB and IC. is almost equal to the base current. is equal to ICBO. changes greatly by a small changes in collector bias voltage. is equal to the sum of IB and IC. is almost equal to the base current. is equal to ICBO. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The current gain of a BJT is gm / r0 gm r0 gm rπ gm /rπ gm / r0 gm r0 gm rπ gm /rπ ANSWER DOWNLOAD EXAMIANS APP
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