Network Theorems | Questions and Answers | Electrical Viva Questions
Questions and answers related to network theorems which will be helpful for all electrical engineer in Viva and also more helpful in interview
Questions And Answers
Q.1. The circuit has resistors, capacitors
and semi-conductor diodes. The circuit
will be known as
(a)non-linear circuit
(b)linear circuit
(c)bilateral circuit
(d)none of the above
Ans.
(a)non-linear circuit
Q.2. A non-linear network does not satisfy
(a)superposition condition
(b)homogeneity condition
(c)both homogeneity as well as super-
position condition
(d)homogeneity, superposition and as-
sociative condition
Ans.
(c)both homogeneity as well as super-
position condition
Q.3. An ideal voltage source has
(a)zero internal resistance
(b)open circuit voltage equal to the
voltage on full load
(c)terminal voltage in proportion to
current
(d)terminal voltage in proportion to
load
Ans.
(a)zero internal resistance
Q.4. A network which contains one or more
than one source of e.m.f.is known as
(a)linear network
(b)non-linear network
(c)passive network
(d)active network
Ans.
(d)active network
Q.5. 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
Ans.
(c)linear responses only
Q.6. Which of the following is not a non-
linear element?
(a)Gas diode
(b)Heater coil
(c)Tunnel diode
(d)Electric arc
Ans.
(b)Heater coil
Q.7. Application of Norton's theorem to a
circuit yields
(a)equivalent current source and im-
pedance in series
(b)equivalent current source and im-
pedance in parallel
(c)equivalent impedance
(d)equivalent current source
Ans.
(a)equivalent current source and im-
pedance in series
Q.8. Milkman's theorem yields
(a)equivalent resistance
(b)equivalent impedance
(c)equivalent voltage source
(d)equivalent voltage or current
source
Ans.
(d)equivalent voltage or current
source
Q.9. The superposition theorem is applicable
to
(a)voltage only
(b)current only
(c)both current and voltage
(d)current voltage and power
Ans.
(d)current voltage and power
Q.10. 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
Ans.
(b)linear constraints
Q.11. A passive network is one which con-
tains
(a)only variable resistances
(b)only some sources of e.m.f.in it
(c)only two sources of e.m.f.in it
(d)no source of e.m.f.in it
Ans.
(d)no source of e.m.f.in it
Q.12. A terminal where three on more branches
meet is known as
(a)node
(b)terminus
(c)combination
(d)anode
Ans.
(a)node
Q.13. Which of the following is the passive
element?
(a)Capacitance
(b)Ideal current source
(c)Ideal voltage source
(d)All of the above
Ans.
(a)Capacitance
Q.14. Which of the following is a bilateral
element?
(a)Constant current source
(b)Constant voltage source
(c)Capacitance
(d)None of the above
Ans.
(c)Capacitance
Q.15. A closed path made by several branches
of the network is known as
(a)branch
(b)loop
(c)circuit
(d)junction
Ans.
(b)loop
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