Related Questions

Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?
A Number of lines of force
B Flux density
C Reluctance
D Magnetomotive force
E None of the above
Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit?
A Reluctance
B Permeability
C Permeance
D Retentivity
E There is no valid comparison
While comparing magnetic and electric circuits, the flux of magnetic circuit is compared with which parameter of electrical circuit?
A E.M.F.
B Current
C Current density
D Conductivity
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
_______ is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ?
A Grey cast-iron
B Cast steel
C High carbon steel
D Stainless steel
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
If two projected roads were built , one from T directly to y, and one from l V directly to Z , then each of the following would be a complete list of the towns lying along one of the routes that a traveler going by road from U to X could select except.
A T, Z
B T, Y
C T , Y , Z
D V ,Z
The voltage regulation in magnetic amplifier type voltage regulator is effected by
A Electromagnetic induction
B Varying the resistance
C Varying the reactance
D Variable transformer
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

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