Related Questions

Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.
A No change
B Decrease
C Increase
D Exponential decrease
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:
A rotor
B armature
C battery
D commutator
E None of the above
To insure that everyone understands what the electrical symbols represent it is customary to include a ________ on the electrical sheet.
A List
B Part number
C Electrical legend
D Electrical layer
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?
A Function table
B Truth table
C Routing table
D ASCII table
E None of the above
Whenever some external system of forces acts on a body, it undergoes some deformation. As the body undergoes some deformation, it sets up some resistance to the deformation. This resistance per unit area to deformation, is called
A Strain
B Stress
C Pressure
D Modulus of elasticity
When an alternating current passes through an ohmic resistance the electrical power converted into heat is
A Apparent power
B True power
C Reactive power
D None of the above
What is the answer to this question? The resistance of a few meters of wire conductor in closed electrical circuit is
A Practically zero
B Low
C High
D Very high
The weight of an aluminium conductor as compared to a copper conductor of identical cross-section, for the same electrical resistance, is
A 50 %
B 60 %
C 100 %
D 150 %
The resistance wire used in a hot wire anemometer for conducting electrical current is made of
A Copper
B Tungsten
C Chromium
D Aluminium
High resistance electrical heating elements/wire are not made of
A Marageing steel
B Nimonic alloys
C Kanthal wire
D Nichrome

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