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 102dB 98dB 51dB 49dB 102dB 98dB 51dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Voltage controlled oscillators are used commonly in All the above Frequency Modulators Phase Clocked loops Pulse Modulators Frequency Modulators Phase Clocked loops All the above Frequency Modulators Phase Clocked loops Pulse Modulators Frequency Modulators Phase Clocked loops ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics How many terminal are present in diode device ? Four-terminal Three-terminal Two-terminal One-terminal Four-terminal Three-terminal Two-terminal One-terminal ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to 400 V. 400√ (2/3) V. 400√ 2 V. 400 / √ 3 V. 400 V. 400√ (2/3) V. 400√ 2 V. 400 / √ 3 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The arrowhead on the transistor symbol points in the direction of electron flow in the emitter region. conventional electric current flow in the emitter region. majority carrier flow in the emitter region. 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. minority carrier flow in the emitter region. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Feedback circuit in an oscillator can be accomplished by Inductive coupling between input and output Capacitive coupling between input and output Resistive coupling between input and output Any one or combinations of the above methods Inductive coupling between input and output Capacitive coupling between input and output Resistive coupling between input and output Any one or combinations of the above methods ANSWER DOWNLOAD EXAMIANS APP
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