Electrical Engineering · Question Bank

Fundamentals of Electricity

94 of 141 questions match · page 1 of 5. Answer in your head first, then check the solution.

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#1📜 EE Pre-Board March 2013📘 PowerhouseEasy
Farad is equivalent to what unit?
AVolt-coulomb
BCoulomb/volt
CJoule/volt
DJoule/coulomb
#2📜 EE Pre-Board March 2013📘 PowerhouseEasy
Heating effect of current has undesirable side effect in
AElectric oven
BImmersion heater
CElectric iron
DVacuum cleaner
#3📜 EE Pre-Board March 2013📘 PowerhouseEasy
An electric current can neither be ______nor______.
AFelt, seen
BSeen, touched
CSeen, touch any effect
DProduced, felt
#4📜 EE Pre-Board March 2013📘 PowerhouseEasy
An automatic device that operates at preset values is known as
AMercury switch
Bfuse
Crelay
Dcontactor
#5📜 EE Pre-Board August 2013📘 PowerhouseEasy
Temperature coefficient of a conductor is defined as the
Aincrease in resistance per ohm per degree centigrade
Bincrease in resistance per degree centigrade
Cincrease in resistance per degree absolute
Ddecrease in resistance per ohm per degree centigrade
#6📜 EE Pre-Board March 2014📘 PowerhouseEasy
An electrical insulator can be made a conductor
Aby heating it
Bby cooling it
Cby ionizing it
Dby oxidizing it
#7📜 EE Pre-Board August 2014📘 PowerhouseEasy
One MWHR is equivalent to___________.
A8,160 calories
B1,000 KWHR
C4,186 joules
D3,412 BTU
#8📜 EE Pre-Board August 2014📘 PowerhouseEasy
The heat required to raise 1 gram of water at 1 degree Celsius.
ACalorie
BBTU
Cjoule
DKWHR
#9📜 EE Pre-Board March 2015📘 PowerhouseEasy
A material best suited for manufacturing of fuse wire is
AAluminum
BSilver
CLead
DCopper
#10📜 EE Pre-Board August 2015📘 PowerhouseEasy
One kwhr is equal to_____ BTU.
A960
B3,413
C3600
D1000
#11📜 EE Pre-Board August 2015📘 PowerhouseEasy
When the length of a wire is doubled and all other factors remained the same, what would the wire resistance become?
ARemained the same
BDoubled
Cdecreased
Dcould not be determined
#12📜 EE Pre-Board August 2015📘 PowerhouseEasy
A substance that contains atoms with several bands of electrons but with only one valence electron is
AInsulator
BConductor
CSemiconductor
DResistor
#13📜 EE Pre-Board August 2015📘 PowerhouseEasy
A coulomb
ARepresent a current of 1 ampere
BFlows through a 100-watt light bulb
CIs equivalent to 1 ampere per second
Dis an extremely large number of charge carriers
#14📜 EE Pre-Board August 2015📘 PowerhouseEasy
An ion
AIs electrically neutral
BHas positive electric charge
Chas negative electric charge
Dcan have either a positive or negative charge
#15📜 EE Pre-Board March 2016📘 PowerhouseEasy
Joule found out that the heat produced in a current carrying conductor is proportional to
AThe square of the current
BThe current
Cthe square of resistance
Dinversely proportional to time
#16📜 EE Pre-Board March 2016📘 PowerhouseEasy
The specific resistance ρ is defined as
AResistance of a conductor which has a length of 1 m and a cross section of 1 m² at 20°C
BResistance of any conductor at 25°C
CResistance of any conductor at 20°C
DResistance of a conductor which has a length of 1 m and a cross section of 1 cm²
#17📜 EE Pre-Board March 2016📘 PowerhouseEasy
The current-carrying capacity of a copper wire having twice the diameter of another copper wire is ______________ as great.
ATwice
BHalf
C4 Times
D3 Times
#18📜 EE Pre-Board March 2017📘 PowerhouseEasy
One KWHR is equal to __________ BTU.
A360
B3,413
C3,600
D1,000
#19📜 EE Pre-Board March 2017📘 PowerhouseEasy
Heating effect of current has an undesirable side effect in
AElectric oven
Bimmersion heater
Celectric iron
Dvacuum cleaner
#20📜 EE Pre-Board March 2017📘 PowerhouseEasy
The specific resistance ρ is defined as
Aresistance of a conductor which has a length of 1 m and a cross-section of 1 m² at 20°C
Bresistance of any conductor at 25°C
Cresistance of any conductor at 20°C
Dresistance of a conductor which has a length of 1 m and a cross-section of 1 cm² at 20°C

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