- (A) Crystal
- (B) Wien-bridge
- (C) Phase-shift
- (D) Hartley
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) The difference frequency is closer to oscillator frequency
- (B) Lower frequencies are easier to amplify
- (C) Only the difference frequency can be modulated
- (D) None of the above
- (A) Radio frequency
- (B) IF
- (C) Audio frequency
- (D) None of the above
- (A) 8 kW
- (B) 6 kW
- (C) 06 kW
- (D) 9 kW
- (A) Amplitude
- (B) Frequency
- (C) Phase
- (D) None of the above
- (A) Before the first RF stage
- (B) After the first RF stage
- (C) After several stages of amplification
- (D) None of the above
- (A) 8 kW
- (B) 6 kW
- (C) 06 kW
- (D) 9 kW
- (A) Amplitude of the carrier
- (B) Frequency of the carrier
- (C) Phase of the carrier
- (D) May be any of the above
- (A) Reception is less noisy
- (B) Higher carrier frequency
- (C) Smaller bandwidth
- (D) Small frequency deviation
- (A) Using a large number of amplifier stages
- (B) Using a push-pull circuit
- (C) Obtaining lower fixed intermediate frequency
- (D) None of the above
