Networks Analysis And Synthesis
A passive network is one which contains

No source of e.m.f. in it
Only variable resistances
Only two sources of e.m.f. in it
Only some sources of e.m.f. in it

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Networks Analysis And Synthesis
Kirchhoff s current law states that

Net current flow at the junction is positive
Total sum of currents meeting at the junction is zero
Hebraic sum of the currents meeting at the junction is zero
No current can leave the junction without some current entering it

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Networks Analysis And Synthesis
Choose the incorrect statement.

A branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R
A branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit
A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit
A branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit

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