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Electric Circuits

Electric Circuits
Which of following is the unit of magnetic flux density?

 Weber.
 Tesla.
 Daraf.
 Lumens.

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Electric Circuits
The unit of electric displacement vector is

 Ampere-m.
 C/m2.
 C/m.
 C - m.

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 105.
 10 - 4.
 107.
 10 - 6.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.049 H.
 None of these.
 0.058 H.
 0.029.

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 Either AC or DC
 An Impulse
 DC only
 AC only

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Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 100 Ω.
 0.1 Ω.
 1 Ω.
 10 Ω.

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