Question : Which one among the following components is used as an. amplifying device?
Option 1: Transformer
Option 2: Diode
Option 3: Capacitor
Option 4: Transistor
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Correct Answer: Transistor
Solution : The correct option is Transistor
Transistors serve as amplification components in electronic systems. These semiconductor devices are capable of enhancing electronic signals by augmenting their strength or amplitude without causing substantial distortion to the initial waveform. Transistors find widespread use in a variety of electronic circuits, including but not limited to audio amplifiers, radio frequency amplifiers, and numerous other applications where the need for signal amplification arises.
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Question : The 'Choke' used with a tube light is basically
Option 1: an inductor
Option 2: a capacitor
Option 3: a transformer
Option 4: a resistor
Question : What is the name of the device used to convert alternating current into direct current?
Option 1: Ammeter
Option 2: Galvanometer
Option 3: Rectifier
Option 4: Transformer
Question : Which among the following is not an input device?
Option 1: Plotter
Option 2: Magnetic Ink Character Recognition (MICR)
Option 3: Optical Mark Recognition (OMR)
Option 4: Barcode Reader
Question : Trinitrotoluene is
Option 1: Used to melt metals
Option 2: Used to fuse two metals
Option 3: Used as an abrasive
Option 4: Used as an explosive
Question : In the following list of devices, which device is used in the datalink layer?
Option 1: Repeaters
Option 2: Routers
Option 3: Application gateway
Option 4: Bridge
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