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Department of Computer Science and Engineering
Basic Electronics
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Question 1 : high vaue capacitors are of ___________
Option-1 :ceranic
Option-2 :paper
Option-3 :electrolytic
Option-4 :plastic
Question 2 : In a NPN transistor common -emiter amplifier ,the DC or bias voltage on the base of the transistor is
Option-1 :Negative wrt . voltage on emitrer
Option-2 :always o volts wrt . ground
Option-3 :Negative wrt, voltage on collector
Option-4 :None of the above
Question 3 : the power of the soldering iron used by you in the lab is
Option-1 :10 watts
Option-2 :12 watts
Option-3 :25 watts
Option-4 :50 watts
Question 4 : The peak voltage appreaing across a diode during the reverse half cycle is called
Option-1 :peak inverse voltage
Option-2 :reverse bias voltage
Option-3 :forward bias voltage
Option-4 :none of the above
Question 5 : which among the folowing is not needed for soldering
Option-1 :lead
Option-2 :tin
Option-3 :flux
Option-4 :soldering iron
Question 6 : In a Zener diode regulator zener is kept
Option-1 :Reverse Biosed
Option-2 :Forward biosed
Option-3 :Depends on current requirements
Option-4 :Depends on rated voltage
Question 7 : what is the resistance of a risistor having cooulr code brown, black, yellow
Option-1 : 10 k home
Option-2 :1 k home`
Option-3 :100 k home
Option-4 :33 k home
Question 8 : Forrward bias of Germanium diodes is
Option-1 :2.0 volts
Option-2 :1.0 volts
Option-3 :0.3 volts
Option-4 :.05 volts
Question 9 : what is the resistance of a resistor having colur code yellow violet orannge
Option-1 :4.7 k home
Option-2 :470 k home
Option-3 :470 k home
Option-4 :47 k home
Question 10 : For an FET transistor,the electrodes are called
Option-1 : emiter ,base , collection
Option-2 :cathod ,grid ,plate
Option-3 :cathode ,gate ,plate
Option-4 :source ,gate,drain
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