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

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

2R
RIG
R/3
3R

Networks Analysis And Synthesis Which of the following is a bilateral element?

Capacitance
Constant current source
Constant voltage source
None of these

Networks Analysis And Synthesis A passive network is one which contains

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

Networks Analysis And Synthesis According to Kirchhoff’s voltage law, the algebraic sum of all IR drops and e.m.f. in any closed loop of a network is always

Negative
Zero
Determined by battery e.m.f.
Positive

Networks Analysis And Synthesis For a voltage source

Terminal voltage cannot be higher than source e.m.f.
None of these
Terminal voltage is always lower than source e.m.f.
The source e.m.f. and terminal voltage are equal