Analog Electronics - Study Mode
[#121] Match List-I with List-II and select the correct answer using the options given below the lists: List-I (Oscillator) List-II (Characteristics Features) a. Wien Bridge 1. RF oscillator two inductance and one capacitance on the reactance network. b. Colpitts 2. LC oscillator for radio frequency : three capacitances and one inductance in the reactance network. c. Hartley 3. RC oscillator for audio frequency applications. d. Clapp 4. RF oscillator : two capacitances and one inductance as the reactance network.
Correct Answer
(C) a-3, b-4, c-1, d-2
[#122] Calculate the frequency of following circuit
Correct Answer
(C) f = 635 Hz
[#123] In figure what is the base current if V BE = 0.7 V?
Correct Answer
(D) 9.3 µA
[#124] What will be the period and frequency of oscillation for an astable multivibrator, given the following specifications? R 1 = 1 kΩ R 2 = 5.6 kΩ C 1 = 0.01 µF C 2 = 0.03 µF
Correct Answer
(D) 0.125 ms, 8 kHz
[#125] The percentage regulation of Half-wave rectifier is
Correct Answer
(C) $$frac{{{{ ext{V}}_{{ ext{no load}}}} - {{ ext{V}}_{{ ext{load}}}}}}{{{{ ext{V}}_{{ ext{load}}}}}} imes 100\% $$