Question
Download Solution PDFWhich device is used to increase the magnitude of the signal?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF- The Amplifier is an electronic circuit that is used to increase the strength of a weak input signal in terms of voltage, current, or power.
- The process of increasing the strength of a weak signal is known as amplification.
- An amplifier is used to obtain an amplification of the frequency response of a communication signal.
- It is because reactance of the capacitors in the circuit changes with signal frequency and hence affects the output voltage.
- The curve drawn between voltage gain and the signal frequency of an amplifier is known as frequency response.
- An attenuator is an electronic device that reduces the magnitude of an electrical signal without appreciably distorting its waveform.
- An attenuator is effectively the opposite of an amplifier. An amplifier provides gain, while an attenuator provides loss, or gain less than 1.
- A rectifier is an electronics device that converts ac signals into dc signals.
- An inverter is an electronics device that converts dc signals into ac signals.
Last updated on Jun 11, 2025
-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.
-> The UPSC Prelims Result 2025 and UPSC IFS Result 2025 has been released @upsc.gov.in
-> Railway Recruitment Board activated the RRB ALP application form 2025 correction link, candidates can make the correction in the application form till 31st May 2025.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.
-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.
->The candidates must have passed 10th with ITI or Diploma to be eligible for this post.
->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.
-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways.
-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.
-> Attempt RRB ALP GK & Reasoning Free Mock Tests and RRB ALP Current Affairs Free Mock Tests here