Networks Analysis And Synthesis
A passive network is one which contains

Only variable resistances
No source of e.m.f. in it
Only some sources of e.m.f. in it
Only two sources of e.m.f. in 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 an open circuit has the characteristic of an open 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 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

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Networks Analysis And Synthesis
In Thevenin’s theorem, to find Z

All independent voltage sources are short circuited and all independent current sources are open circuited
All independent voltage sources are open circuited and all independent current sources are short circuited
All independent current sources are short circuited and independent voltage sources are open circuited
All independent voltage and current sources are short circuited

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