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Electric Circuits

Electric Circuits
In ideal system coefficient of coupling(k) is

 1
 0
 ∞
 Both 2 and 3

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Electric Circuits
In the cauer-1 form of LC network---------is series element and --------is shunt element respectively?

 L and L
 C and C
 C and L
 L and C

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 short circuited.
 replaced by a series resistance.
 replaced by a shunt resistance.
 open circuited.

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, zero
 zero, infinite
 zero, zero
 infinite, infinite

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 - 9.59.
 6.98.
 9.59.
 - 6.28.

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 -28.4 V.
 34.4 V.
 None of them
 -27.4 V.

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