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Electric Circuits

Electric Circuits
Which property is used to oppose the flow of current ?

 Capacitance
 Poteintial difference
 Resistance
 Inductance

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Electric Circuits
Reciprocity condition for h parameters is

 h12 = h21.
 h11h22 - h21h12 = 0.
 h12 = h21.
 h12 = - h21.

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Electric Circuits
Common impurity in battery electrolyte is

 sodium chloride.
 dust.
 lead sulfate.
 iron.

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Electric Circuits
1 F is theoretically equal to

 1 ohm of resistance
 ratio of 1 C to 1 V
 none of these
 ratio of 1 V to 1 C

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

 L and C
 L and L
 C and C
 C and L

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.866.
 0.5.
 0.577.
 1.

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