Basic Electrical Engineering Resistivity Online Exam Quiz
Basic Electrical Engineering Resistivity GK Quiz. Question and Answers related to Basic Electrical Engineering Resistivity. MCQ (Multiple Choice Questions with answers about Basic Electrical Engineering Resistivity
What is the resistivity of Copper?
Options
A : 1.59*10-8ohm-m
B : 2.7*10-8ohm-m
C : 7.3*10-8ohm-m
D : 5.35*10-8ohm-m
A wire has the same resistance as the one given in the figure. Calculate its resistivity if the length of the wire is 10m and its area of cross section is 2m.
Options
A : 16 ohm-metre
B : 8 ohm-metre
C : 16 kiloohm-metre
D : 8 kiloohm-metre
Calculate the ratio of the resistivity of 2 wires having the same length and same resistance with area of cross section 2m2 and 5m2 respectively.
Options
A : 5:7
B : 2:7
C : 2:5
D : 7:5
A wire having an area of cross section = 10sqm and another wire having an area of cross section= 15sqm, have the same length and are made up of the same material. Which wire has more resistance?
Options
A : Both have equal resistance
B : The 10sqm wire has higher resistance
C : The 15sqm wire has higher resistance
D : The value of resistance cannot be determined from the given data
A wire of length 2m and another wire of length 5m are made up of the same material and have the same area of cross section, which wire has higher resistance?
Options
A : Both have equal resistance
B : The 2m wire has higher resistance
C : The 5m wire has higher resistance
D : The value of resistance cannot be determined from the given data
The reciprocal of resistivity is________
Options
A : Conductance
B : Resistance
C : Conductivity
D : Impedance
Materials which easily allow the passage of electric current are known as ______
Options
A : Insulators
B : Conductors
C : Dielectrics
D : Semi-conductors
Which, among the following is a unit for resistivity?
Options
A : ohm/metre
B : ohm/metre2
C : ohm-metre
D : ohm-metre2
Which of the following statements are true with regard to resistivity?
Options
A : Resistance depends on the temperature
B : Resistance does not depend on the temperature
C : Resistivity depend on the length
D : Resistivity depend on area of cross section
Which of the following statements are true with regard to resistance?
Options
A : Resistance is directly proportional to a length of the wire
B : Resistance is directly proportional to an area of cross section of the wire
C : Resistance is inversely proportional to the length of the wire
D : Resistance is inversely proportional to the resistivity of the wire
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