Trivia Quiz On Amplifier In Electronics Engineering

Questions : 10 | Total Attempts: 606 | Recent Updated: 29-Mar-2020
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An amplifier is a device that is used to increase the voltage and current of a signal. Simply put, the amplifier increases signal strength. It converts a weak electrical signal into a strong signal. The amplifier is a two-port electronic circuit that uses electric power to increase the amplitude of the signal located at the input terminals and thereby gives us more output A larger amplitude signal is obtained. Let's know more about Amplifier In Electronics Engineering.

Questions Excerpt


1. An amplifier is a circuit that has a power gain greater than...

A. One

B. Two

C. Three

D. Four

2. The amount of amplification provided by an amplifier is measured by ...

A. Its gain

B. Its electrical circuit

C. Its frequency

D. All of the above

3. The amplifier that amplifies the current of the input signal is called.

A. Trans-conductance amplifier

B. Voltage amplifier

C. Current amplifier

D. None of these

4. An amplifier that increases the voltage of a given input signal is called.

A. Trans-conductance amplifier

B. Current amplifier

C. Voltage amplifier

D. None of these

5. An amplifier that changes the output current according to the change in input voltage is called.

A. Current amplifier

B. Voltage amplifier

C. Trans-conductance amplifier

D. None of these

6. An amplifier that changes the output current according to the change in input current is called.

A. Trans-resistance amplifier

B. Current amplifier

C. Voltage amplifier

D. Trans-conductance amplifier

7. Generally, an operational amplifier has ------------------terminals.

A. Three

B. Four

C. Five

D. Six

8. Which are used in resistors and capacitors etc.?

A. Op-amps

B. Op-ams

C. Both of the above

D. None of these

9. Which is used as an amplifier at high radio frequencies?

A. Klystron

B. Cavity magnetron

C. Traveling‑wave tube

D. All of the above

10. Which type of amplifier is most efficient?

A. Class C power amplifiers

B. Class AB power amplifiers

C. Class B power amplifier

D. Class A power amplifier

 

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