Q101
Open questionFor a full wave rectifier, with sinusoidal input and inductor as filter, ripple factor for maximum load current and minimum load current conditions are respectively
Select an option to see the answer and solution.
ECE · all questionsAnalog Electronics
Analog Electronics
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
377
Questions
6/19
Page
Pick an option on a question to see the right answer and solution.
Q102
Open questionIf C1 = 200 pF, C2 = 50 pF in Colpitts oscillator and frequency is 1 MHz, then what is the value of inductance required?
Select an option to see the answer and solution.
Q103
Open questionThe circuit shown in the figure is a
Select an option to see the answer and solution.
Q104
Open questionIn the circuit shown in the figure, if RL = RC = 1 kΩ, then the value of V0 will be
Select an option to see the answer and solution.
Q105
Open questionConsider an n-channel MOSFET with parameters Kn = 0.25 mA/V2, VTN = 1 V, λ = 0, Cgd = 0.04 pF and Cgs = 0.2 pF
If the transistor is biased at VGS = 3 V, the unity gain bandwidth of an FET will be
If the transistor is biased at VGS = 3 V, the unity gain bandwidth of an FET will be
Select an option to see the answer and solution.
Q106
Open questionIn the circuit shown below what is the output voltage (Vout) if a silicon transistor Q and an ideal op-amp are used?
Select an option to see the answer and solution.
Q107
Open questionConsider a 565 PLL with RT = 10 kΩ and CT = 0.01 µF. what is the output frequency of the VCO?
Select an option to see the answer and solution.
Q108
Open questionThe op-amp circuit shown in the figure is a filter. The type of filter and its cut-off frequency are respectively
Select an option to see the answer and solution.
Q109
Open questionIn differential-mode, . . . . . . . .
Select an option to see the answer and solution.
Q110
Open questionIn a practical oscillator circuit, which one of the following limits the amplitude of the oscillations?
Select an option to see the answer and solution.
Q111
Open questionAs compared to a full wave rectifier using 2 diodes, the four diode bridge rectifier has the dominant advantage of
Select an option to see the answer and solution.
Q112
Open questionFor a full-wave rectifier with shunt capacitor filter, the peak to peak ripple voltage is
(where f = fundamental power line frequency, IDC = DC current)
(where f = fundamental power line frequency, IDC = DC current)
Select an option to see the answer and solution.
Q113
Open questionIn a multi-stage RC-coupled amplifier the coupling capacitor.
Select an option to see the answer and solution.
Q114
Open questionAn amplifier has a D.C. power supply of 15 V and draws a current of 10 mA. It produces an output of 5 V peak across a load resistance of 600 Ω for a signal frequency of 1 kHz. What will be its A.C. power output?
Select an option to see the answer and solution.
Q115
Open questionDetermine the change in collector current, ∆IC due to change in base emitter voltage VBE from 25°C to 100°C for a Silicon Transistor in Fixed Bias Configuration having β = 100.
(Consider following variation in Silicon transistor parameters with temperature-At T = 25°C, VBE = 0.65 V and At T = 100°C. VBE = 0.5 V)
(Consider following variation in Silicon transistor parameters with temperature-At T = 25°C, VBE = 0.65 V and At T = 100°C. VBE = 0.5 V)
Select an option to see the answer and solution.
Q116
Open questionWhile using a bipolar junction transistor as an amplifier, the collector and emitter terminals got interchanged mistakenly. Assuming that the amplifier is a common emitter amplifier and the biasing is suitably adjusted, the interchange of terminals will results into which one of the following?
Select an option to see the answer and solution.
Q117
Open questionBJT is three terminal device which stands for bipolar junction transistor. Which of the following are true about BJT.
1. Base has smallest area to reduce the transit time.
2. collector is provided with the largest area to withstand heat dissipation.
3. BJT is a current controlled device.
4. BJT is a voltage controlled device.
1. Base has smallest area to reduce the transit time.
2. collector is provided with the largest area to withstand heat dissipation.
3. BJT is a current controlled device.
4. BJT is a voltage controlled device.
Select an option to see the answer and solution.
Q118
Open questionIf the op-amp in the figure has an input offset voltage of 5 mV and an open-loop voltage gain of 10,000, then V0 will be
Select an option to see the answer and solution.
Q119
Open questionThe feedback topology in the amplifier circuit (the base bias circuit is not shown for simplicity) in the figure is
Select an option to see the answer and solution.
Q120
Open questionWhat is the load current IL in the circuit below?
Select an option to see the answer and solution.