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EASY ROUND

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1. It is an electronic circuit that fxeseither the positive or the negativepeak excursions o a signal to a!efne! value "# shiting its D$ value.

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$la%per

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&. In electronics' it is the %etho! oesta"lishing pre!eter%ine! voltages orcurrents at various points o anelectronic circuit or the purpose oesta"lishing proper operatingcon!itions in electronic co%ponents.

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(iasing

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). ******* e+ect causes a sharpincrease in reverse current ,hen thereverse-"ias voltage across a !io!e"eco%es excessive.

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Avalanche

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5.6&5 %ASol7n8

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5. It is a transistor a%plifer ,hoseinput is applie! to the "ase an! ,hoseoutput is taken ro% the collector. It

provi!es high voltage an! current gainan! ver# high po,er gain.

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$o%%on-E%itter

A%plifer

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6. It is the propert# o a con!uctor "#,hich a change in current :o,ingthrough it creates a voltage

;electro%otive orce< in "oth thecon!uctor itsel an! in an# near"#con!uctors.

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In!uctance

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=. $alculate the resonant re>uenc# oran 3-? in!uctance an! a &2-@0capacitance.

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1&.6 ?

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3. $alculate the BED current in series,ith a resister o &.&kC supplie! ,ith a& 4. Assu%e the BED has a voltage

!rop o &.2 4.

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12 %A

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. It is a circuit ,hose output voltage isproportional to the change in applie!voltage. he ti%e constant o this

circuit %ust "e short ,ith respect tothe pulse ,i!th o the applie! voltage.

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Di+erentiatior

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12. It is an instru%ent or %easuringthe electric po,er ;or the suppl# rateo electrical energ#< in ,atts o an#

given circuit.

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att%eter

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?ar! Roun!

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1. In the s#ste% "elo,' F1G sHsJ&

an! F&G )Hs. Evaluate transer

unction ,hen t G &H5.

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2.6&6

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&. It is the %oving part o a rotar#electrical s,itch in certain t#pes oelectric %otors or electrical generators

that perio!icall# reverses the current!irection "et,een the rotor an! theexternal circuit.

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$o%%utator

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). It is a thin slice o se%icon!uctor%aterial' such as a silicon cr#stal' use!in the a"rication o integrate! circuits

an! other %icro!evices.

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aer

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. It is the ten!enc# o a s#ste% tooscillate ,ith greater a%plitu!e atso%e re>uencies than at others.

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Resonance

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5. It is an electrical !evice thattransers energ# "et,een t,o or %orecircuits through electro%agnetic

in!uction.

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ransor%er

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6. It is the opposition o a circuitele%ent to a change o electric currentor voltage' !ue to that ele%entKs

in!uctance or capacitance.

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Reactance

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=. In the circuit "elo,' resistor R)is

su!!enl# re%ove!' leaving a gap ;anopen circuit

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.6& ns

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3. 0in! the value o 4D.

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4

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. $alculate the output voltage i 41G

-4&G 1 4.

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-& 4

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12. Suppose that ,e have t,oresistors connecte! in parallel ,ithresistances R1an! R&%easure! in

oh%s ;C

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