GATE EC NAT 6: A signal is band-limited to 8 kHz. Enter the Nyquist sampling rate in kHz.
Correct Answer: 16
Explanation:
2fmax=16 kHz.
MCQ Collection
GATE EC NAT MCQs
Practice GATE EC NAT questions with answers and explanations.
GATE EC NAT 7: An ideal amplifier has voltage gain 9. Enter 20 log10(gain) in dB, rounded to two decimals.
Correct Answer: 19.08
Explanation:
20log₁₀(9)=19.08 dB.
GATE EC NAT 8: A carrier has frequency 12 MHz. Enter its period in nanoseconds, rounded to three decimals.
Correct Answer: 83.333
Explanation:
T(ns)=1000/f(MHz)=83.333.
GATE EC NAT 9: A signal is band-limited to 3 kHz. Enter the Nyquist sampling rate in kHz.
Correct Answer: 6
Explanation:
2fmax=6 kHz.
GATE EC NAT 10: An ideal amplifier has voltage gain 4. Enter 20 log10(gain) in dB, rounded to two decimals.
Correct Answer: 12.04
Explanation:
20log₁₀(4)=12.04 dB.
GATE EC NAT 11: A carrier has frequency 40 MHz. Enter its period in nanoseconds, rounded to three decimals.
Correct Answer: 25
Explanation:
T(ns)=1000/f(MHz)=25.0.