16-09-2016, 01:44 PM
ELECTRICAL ENGINEERING PRACTICAL VIVA-VOCE QUESTIONS
LIST OF QUESTIONS:COMMON QUESTIONS:1)
WHY DO WE REPLACE CURRENT SOURCE WITH A OPEN CIRCUIT FOR CALCULATING RTH?2)
WHY DO WE REPLACE VOLTAGE SOURCE BWITH A SHORT CIRCUIT FOR CALCULATING RTH?3)
WHAT DO YOU MEAN BY LOAD?4)
WHICH QUANTITY IS SAME IN SERIES CIRCUIT?5)
WHICH QUANTITY IS SAME IN PARALLEL CIRCUIT?6)
WHAT DO YOU MEAN BY RESISTANCE OF A CONDUCTOR?7)
WHAT DO YOU MEAN BY IDEAL VOLTAGE SOURCE?8)
WHAT DO YOU MEAN BY IDEAL CURRENT SOURCE?9)
WHAT DO YOU MEAN BY PRACTICAL VOLTAGE SOURCE?10)
WHAT DO YOU MEAN BY PRACTICAL CURRENT SOURCE?11)
WHAT DO YOU MEAN BY POSITIVE TEMPRATURE COEFFICIENT OF RESISTANCE?12)
WHAT DO YOU MEAN BY NEGATIVE TEMPRATURE COEFFICIENT OF RESISTANCE?13)
WHAT DO YOU MEAN BY ZERO TEMPRATURE COEFFICIENT OF RESISTANCE?14)
WHICH COLOR WIRE IS THE POSITIVE WIRE OF MULTIMETER?15)
WHICH COLOR WIRE IS THE NEGATIVE WIRE OF THE MULTIMETER?16)
WHEN THE DIGITAL MULTIMETER READ VOLTAGE WITH NEGATIVE SIGN, AT THAT TIME THE POINTAT WHICH RED PROBE YOU HAVE CONNECTED IS AT __________ POTENTIAL?17)
WHAT DOES IT MEAN WHEN THE METER READ VOLTAGE OR CURRENT WITH NEGATIVE SIGN?18)
THE RESISTANCE OF A CONDUCTOR___________ IF WE INCREASE THE CROSS-SECTIONAL AREA OFA CONDUCTOR?19)
THE RESISTANCE OF A CONDUCTOR___________ IF WE INCREASE THE LENGTH OF A CONDUCTOR?20)
IF THE VALUE OF VOLTAGE IOS IN VOLTS AND CURRENT IS IN MILLIAMPERES THEN VALUE OFRESISTANCE IS IN__________?21)
WHY DO WE CONNECT AMMETER IN SERIES?22)
WHY DO WE CONNECT VOLTMETER IN PARALLEL?23)
WHAT DO YOU MEAN BY RESISTANCE?24)
WHAT DO YOU MEAN BY IMPEDANCE?KIRCHHOFF’S LAWS:1)
STATE KIRCHHOFF’S VOLTAGE LAW?2)
STATE KIRCHHOFF’S CURRENT LAW?3)
STATE OHM’S LAW?4)
WHICH LAW IS REQUIRED FOR APPLYING KIRCHHOFF’S VOLTAGE LAW TO A CLOSED PATH IF WEKNOW ONLY RESISTANCES AND CURRENT FLOWING IN THAT PATH?5)
IS KIRCHHOFF VOLTAGE LAW APPLICABLE TO LOOP CONTAINING OPEN IN IT?6)
IS KIRCHHOFF’S LAWS APPLICABLE TO A.C CIRCUITS.
LIST OF QUESTIONS:COMMON QUESTIONS:1)
WHY DO WE REPLACE CURRENT SOURCE WITH A OPEN CIRCUIT FOR CALCULATING RTH?2)
WHY DO WE REPLACE VOLTAGE SOURCE BWITH A SHORT CIRCUIT FOR CALCULATING RTH?3)
WHAT DO YOU MEAN BY LOAD?4)
WHICH QUANTITY IS SAME IN SERIES CIRCUIT?5)
WHICH QUANTITY IS SAME IN PARALLEL CIRCUIT?6)
WHAT DO YOU MEAN BY RESISTANCE OF A CONDUCTOR?7)
WHAT DO YOU MEAN BY IDEAL VOLTAGE SOURCE?8)
WHAT DO YOU MEAN BY IDEAL CURRENT SOURCE?9)
WHAT DO YOU MEAN BY PRACTICAL VOLTAGE SOURCE?10)
WHAT DO YOU MEAN BY PRACTICAL CURRENT SOURCE?11)
WHAT DO YOU MEAN BY POSITIVE TEMPRATURE COEFFICIENT OF RESISTANCE?12)
WHAT DO YOU MEAN BY NEGATIVE TEMPRATURE COEFFICIENT OF RESISTANCE?13)
WHAT DO YOU MEAN BY ZERO TEMPRATURE COEFFICIENT OF RESISTANCE?14)
WHICH COLOR WIRE IS THE POSITIVE WIRE OF MULTIMETER?15)
WHICH COLOR WIRE IS THE NEGATIVE WIRE OF THE MULTIMETER?16)
WHEN THE DIGITAL MULTIMETER READ VOLTAGE WITH NEGATIVE SIGN, AT THAT TIME THE POINTAT WHICH RED PROBE YOU HAVE CONNECTED IS AT __________ POTENTIAL?17)
WHAT DOES IT MEAN WHEN THE METER READ VOLTAGE OR CURRENT WITH NEGATIVE SIGN?18)
THE RESISTANCE OF A CONDUCTOR___________ IF WE INCREASE THE CROSS-SECTIONAL AREA OFA CONDUCTOR?19)
THE RESISTANCE OF A CONDUCTOR___________ IF WE INCREASE THE LENGTH OF A CONDUCTOR?20)
IF THE VALUE OF VOLTAGE IOS IN VOLTS AND CURRENT IS IN MILLIAMPERES THEN VALUE OFRESISTANCE IS IN__________?21)
WHY DO WE CONNECT AMMETER IN SERIES?22)
WHY DO WE CONNECT VOLTMETER IN PARALLEL?23)
WHAT DO YOU MEAN BY RESISTANCE?24)
WHAT DO YOU MEAN BY IMPEDANCE?KIRCHHOFF’S LAWS:1)
STATE KIRCHHOFF’S VOLTAGE LAW?2)
STATE KIRCHHOFF’S CURRENT LAW?3)
STATE OHM’S LAW?4)
WHICH LAW IS REQUIRED FOR APPLYING KIRCHHOFF’S VOLTAGE LAW TO A CLOSED PATH IF WEKNOW ONLY RESISTANCES AND CURRENT FLOWING IN THAT PATH?5)
IS KIRCHHOFF VOLTAGE LAW APPLICABLE TO LOOP CONTAINING OPEN IN IT?6)
IS KIRCHHOFF’S LAWS APPLICABLE TO A.C CIRCUITS.
