Category: Modulation and Demodulation

A. Equal to
B. Greater than
C. Less than
D. None of the above

A. Reduce stray capacitance
B. Stabilise d.c. bias
C. Increase the Q of tuned circuit
D. Reduce noise

A. 455 kHz
B. 1310 kHz
C. 1500 kHz
D. 1520 kHz

A. IF stage
B. Receiving antenna
C. Audio stage
D. RF stage

A. Reception is less noisy
B. Higher carrier frequency
C. Smaller bandwidth
D. Small frequency deviation

A. Frequency
B. Phase
C. Amplitude
D. None of the above

A. Amplitude of the carrier
B. Frequency of the carrier
C. Phase of the carrier
D. May be any of the above

A. Thrice
B. Four times
C. Twice
D. None of the above

A. Amplitude
B. Frequency
C. Phase
D. None of the above

A. Fidelity
B. Frequency range
C. Sensitivity
D. Selectivity