According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always____________?
(A) negative
(B) positive
(C) determined by battery e.m.fs.
(D) zero
Choose the incorrect statement: A branch formed by the parallel connection………
(A) A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.
(B) A branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit.
(C) A branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit.
(D) A branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R.
Which of the following is a bilateral element?
(A) Constant current source
(B) Constant voltage source
(C) Capacitance
(D) None of the above
Between the branch voltages of a loop the Kirchhoff s voltage law imposes_____________?
(A) non-linear constraints
(B) linear constraints
(C) no constraints
(D) none of the above
The superposition theorem is applicable to____________?
(A) linear, non-linear and time variant responses
(B) linear and non-linear resistors only
(C) linear responses only
(D) none of the above
“In any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current / in the first branch”.
(A) compensation theorem
(B) superposition theorem
(C) reciprocity theorem
(D) none of the above
While calculating Rth in Thevenin’s theorem and Norton equivalent
(A) all independent sources are made dead
(B) only current sources are made dead
(C) only voltage sources are made dead
(D) all voltage and current sources are made dead
The superposition theorem requires as many circuits to be solved as there are____________?
(A) sources, nodes and meshes
(B) sources and nodes
(C) sources
(D) nodes
In Thevenin’s theorem, to find Z
(A) all independent current sources are short circuited and independent voltage sources are open circuited
(B) all independent voltage sources are open circuited and all independent current sources are short circuited
(C) all independent voltage and current sources are short circuited
(D) all independent voltage sources are short circuited and all independent current sources are open circuited
A closed path made by several branches of the network is known as____________?
(A) branch
(B) loop
(C) circuit
(D) junction