Saturday, June 2, 2012
CIRCUIT THEORY -IMPORTANT TOPICS FOR ALL FIVE UNITS -by R.Anirudhan
CIRCUIT THEORY
IMPORTANT TOPICS FOR ALL UNITS :< IMPORTANT QUESTIONS WILL BE UPLOADED SOON >
UNIT – 1
1. ANALYSIS OF SERIES AND PARALLEL CIRCUITS <16 MARKS>
2. FINDING THE EQUIVALANT RESISTANCE OR CURRENT IN THE CIRCUIT <8 0R 16 MARKS >
3. MESH CURRENT METHOD <16 MARKS >
4. NODE VOLTAGE METHOD <16MARKS >
5. STAR –DELTA TRANSFORMATION DERIVATION AND PROBLEMS FROM THIS <8 OR 16 MARKS >
UNIT -2
1. PROBLEMS FROM SUPERPOSITION THEOREM < 8 OR 16 MARKS >
2. PROBLEM FROM THEVENIN'S THEOREM , NORTAN THEOREM < 8 OR 16 MARKS >
3. PROBLEMS FROM MAXIMUM TRANSFER THEOREM , RECIPROCITY THEOREM <8 MARKS>
UNIT -3
1. DERIVE THE EXPRESSION FOR MAXIMUM VOLTAGE ACROSS L AND C. <16 MARKS >
2. DERIVE THE EXPRESSION FOR RESONANT FREQUENCY AND BANDWIDTH OF A SERIES RESONANT CIRCUIT
3. DERIVE THE EXPRESSION FOR THE HALF POWER BANDWIDTH OF THE PARALLEL RESONANT CIRCUITS.
4. DERIVE MAGNETIC COUPLING COEFFICIENT(K) <16 MARKS >
5. DERIVE THE EXPRESSINOS FOR EQUIVALENT INDUCTANCE OF TWO COILS IN SERIES AND PARRELLEL WITH
1. SERIES AIDING
2. SERIES OPPOSITION
3. PARALLEL AIDING
4. PARALLEL OPPOSITION <16 MARKS >
1. WRITE A NOTE ON DOT CONVERSION <8 MARKS >
2. PROBLEMS FROM FINDING RESONANT FRQUENCY, BANDWIDTH , IMPEDANCE OF THE CIRCUIT AT GIVEN FRQUENCY ,CURRENT UNDER RESONANCE CONDITION.
UNIT -4
1. DERIVE THE EXPRESSION FOR STEP RESPONSE OF DRIVEN SERIES R-C AND R-L CIRCUITS <16 MARKS>
2. WRITE A NOTE ON UNDERDAMPED, OVERDAMPED,CRITICALLY DAMPED SYSTEM <16 MARKS >
3. DEFINE AND EXPLAIN THE CHARACTERISTICS OF
A. UNIT STEP FUNCTION
B. UNIT RAMP FUNCTION
C. UNIT IMPULSE FUNCTION <16 MARKS >
UNIT -5
1. EXPLAIN THE TWO WATTMETTER METHOD OF MEASUREMENT OF THREE PHASE POWER AND IT EFFECTS WITH A NEAT DAIGRAM AND WRITE ITS ADVANTAGES. <16 MARKS >
2. PROBELMS TO FIND ACTIVE POWER, REACTIVE POWER, TOTAL ACTIVE POWER, POWER FACTOR OF LOAD
3. WHAT ARE THE DIFFERNT METHODS OF THREE PHASE POWER MEASUREMENT ? EXPLAIN THEM IN DETAIL <16 MARKS >
4. DERIVE THE RELATIONSHIP BETWEEN A LINE CURRENT AND A PHASE CURRENT AND A LINE VOLTAGE AND A PHASE VOLTAGE RELATED TO A STAR CONNECTED AND DELATA CONNECTED LOAD. <16 MARKS >
5. WITH THE HELP OF CONNECTION DAIGRAM AND PHASOR DAIGRAM, SHOW THAT TWO WATTMETERS ARE SUFFICIENT TO MEASURE THE ACTIVE POWER IN A THREE PHASE THREE WIRE SYSTEM WITH,
A. BALANCED STAR CONNECTED LOAD
B. BALANCED DELTA CONNECTED LOAD
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2 Responses to “CIRCUIT THEORY -IMPORTANT TOPICS FOR ALL FIVE UNITS -by R.Anirudhan”
June 28, 2012 at 7:11 AM
thank you admin
June 28, 2012 at 7:27 PM
sir important question anupunga plz........
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