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Electric Circuits

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

 107.
 10 - 4.
 10 - 6.
 105.

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Electric Circuits
Rms value is defined based on which of the following?

 Current
 Voltage
 Heating effect
 Charge transfer

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Electric Circuits
Which of the following is the correct relation?

 all of these.
 AB-CD = 1 .
 AC-BD = 1.
 AD-BC = 1.

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Electric Circuits
Condition of symmetry in ABCD parameter representation is

 AD - BC = 1.
 B = D.
 A = D.
 C = D.

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Electric Circuits
A circuit contains two unequal resistor in parallel

 currents in both are same.
 voltage drops across both are same.
 heat losses in both are same.
 voltage drops are according to their resistive value.

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Electric Circuits
If P is the power of a star connected system then what will be power of an equivalent delta connected system?

None of these
 3P
 P
 P/3

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