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Electric Circuits

Electric Circuits
A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

 R < r.
None of these
 R > r.
 R = r.

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Electric Circuits
Super mesh analysis is used in case of

 either 1 or 2.
 current source branch is common for two meshes.
 both.
 ideal voltage source is connected between two non reference nodes.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 (G1 + G2 + G3) - 1.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.
 G1 + G2 + G3.
 1 / G1 + 1 / G2 + 1 / G3.

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Electric Circuits
The charge of an electron is

 - 9.109 × 10 - 31 Coulombs.
 - 1.602 × 10 - 19 Coulombs.
 - 1.672 × 10 - 27 Coulombs.
 - 1.675 × 10 - 27 Coulombs.

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Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 iL(0) = ic (0).
 i(0+)= iL(0+).
 None of these.

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Electric Circuits
Internal resistance of ideal current source is

 finite
 infinite
 zero
 100 ohms

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