# BJT and FET Frequency Response – 25

5555555555

25. An amplifier rated at 30-W output is connected to a 5- speaker. Calculate the input voltage for the rated output if the amplifier voltage gain is 20 dB.

(a) 1.225 mV
(b) 12.25 mV
(c) 122.5 mV
(d) 1.225 V

Explanation
Explanation : No answer description available for this question. Let us discuss.
 Subject Name : Electronics Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
 Electronics & Communication Engineering Books Sale Question Bank On Electronics & Communication Engineering Book - question bank on electronics & communication engineering; Language: english; Binding: paperback ₹ 312 Sale A Handbook for Electronics Engineering(Old Edition) Made Easy Editorial Board (Author); Marathi (Publication Language); 620 Pages - 01/01/2015 (Publication Date) - Made Easy Publications (Publisher) ₹ 299 Sale Basic Electronic Devices and Circuits Patil (Author); English (Publication Language) ₹ 376 Sale Electronic Circuits: Analysis and Design (SIE) | 3rd Edition Neamen, Donald (Author); English (Publication Language); 1351 Pages - 08/25/2006 (Publication Date) - McGraw Hill Education (Publisher) ₹ 790

## Related Posts

• 555555555514. A transistor amplifier has a voltage gain of 100. If the input voltage is 75 mV, the output voltage is: (a) 1.33 V (b) 7.5 V (c) 13.3 V (d) 15 V
Tags: voltage, bjt, amplifier, gain, input, mv, output, electronics, engineering
• 555555555526. An amplifier has an input signal voltage of 0.054 mV. The output voltage is 12.5 V. The voltage gain in dB is (a) 53.6 dB. (b) 107.3 dB. (c) 231 dB. (d) 116 dB.
Tags: db, voltage, amplifier, frequency, response, input, mv, output, gain, electronics
• 555555555520. An amplifier rated at 30-W output is connected to a 5- speaker. Calculate the input power required for full power output if the power gain is 20 dB. (a) 3 mW (b) 30 mW (c) 300 mW (d) 3 W
Tags: output, bjt, input, db, gain, calculate, fet, speaker, connected, rated
• 5555555555191. The input voltage must be ______ in the given circuit to obtain the given output voltage. (a) 343 mV (b) 400 mV (c) 480 mV (d) 600 mV
Tags: mv, voltage, amplifier, input, output, electronics, engineering
• 555555555514. For the low-frequency response of a BJT amplifier, the maximum gain is where ________ . (a) RB = 0 (b) RC = 0 (c) (d)
Tags: bjt, response, fet, frequency, amplifier, gain, electronics, engineering