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Avionics Practice Test: Basics of Electronics
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This quiz covers electronics topics such as: Gain, attenuation, decibels, tuned circuits, filters and fourier theory.

Related Test: Avionics Practice Test: Basics of Electronic Communication

Avionics Practice Test: Basics of Electronics
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25 Questions

1. What is the type of filter shown in the figure?
What is the type of filter shown in the figure?
"Notch filters and band reject filters are the same."
2. What happens to the current when it passes through a capacitor?
3. When a decibel value is computed by comparing a power value to 1 mW it is called as?
4. What is the frequency of 7th harmonic of a 2KHz sine wave?
5. What is the output signal voltage for a gain of 20 and input voltage of 20mV?
6. What should be the gain of an amplifier to have zero voltage loss if the signal is already attenuated half that of the original signal?
7. Which one of the following is false with respect to stray capacitance?
8. Calculate the reactance of a 100-pF capacitor at an operating frequency of 2 MHz?
9. What is the gain of the signal if output and input voltages are 700V and 50mV respectively?
10. The unit decibel is a way of expressing the hearing response of the human ear.
11. Which instrument produces frequency domain information?
12. A capacitor used in an ac circuit continually charges and discharges.
13. What should be the gain of an amplifier to have no voltage loss or gain?
14. Fourier analysis helps us to determine how much bandwidth a particular signal occupies.
15. An infinite number of odd harmonics are present in a sine wave.
16. What happens to capacitative reactance when operating frequency is increased?
17. What is a filter?
18. What is the value of the total gain if A represent attenuation and G represent gain and all are cascaded?
A1=0.5G1=5
A2=0.035G2=20
19. What is the bandwidth of a resonant circuit with a frequency of 28 MHz and a Q of 80?
20. What are filters created by using resistors and capacitors or inductors and capacitors called?
21. What is the component in which the output voltage is higher than the input voltage?
22. What is the inductive reactance of a 40-μH coil at 18 MHz?
23. What is the duty cycle of a square wave with equal duration positive and negative alterations?
24. A two-stage amplifier has an input power of 30μW and an output power of 1.5mW. One stage has a gain of 3. What is the gain of the second stage?
25. The attenuation rate is also called?

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