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Electric Circuits

Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y22.
 Y12 = Y21.
 Y11 = Y12.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 4R Ω
 R Ω
 8R Ω
 2R Ω

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Electric Circuits
Which of the following is the heaviest?

 Atom.
 Molecule.
 Electron.
 Proton.

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Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 1.2 A.
 1.5 A.
 4.8 A.
 2.4 A.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 inductor.
 capacitor.
 voltage source.
 resistor.

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Electric Circuits
If the dielectric of a capacitor is replaced by conducting material

 the plate will get short circuited.
 the capacitor will get heated up due to eddy currents.
 the capacitor can store infinite charge.
 the capacitance value of the plate will decrease.

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