NEW
Font size
Worksheetsnetwork
Total questions: 26
Worksheet time: 13mins
24.ECE Board Exam November 1998 If a resistance element is part of two loops, how many voltage drops must be calculated for that component?
Two
Three
One
none
How many nodes are needed to completely analyze a circuit according to Kirchhoff’s current law?
one
two
one less than the total number of nodes in the circuit
all nodes in the circuit
In order to match the load to the generator means making load resistance
lower than generator’s internal resistance
increased to more generator’s internal resistance
decreased
equal to generators internal resistance
In the Norton’s equivalent circuit, the source is a
constant voltage source
constant current source
constant voltage and constant current
none
The superposition theorem requires as many circuits to be solved as there are
meshes
source
nodes
all of the above
An active element in a circuit is one which
receives energy
supplies energy
both receives and supplies energy
none of the above
An passive element in a circuit is one which
supplies energy
receives energy
both receives and supplies energy
none of the above
An electric circuit contains
active elements only
passive element only
both active and passive elements
none of the above
linear circuit is one whose parameters (e.g. resistances etc.)
change with change in current
change with change in voltage
do not change with change in voltage and current
none of the above
The superposition theorem is used when the circuit contains
a single voltage source
a number of passive source
passive elements only
none of the above
Thevenin’s theorem is ____ form on an equivalent circuit
voltage
current
both voltage and current
none of the above
Norton’s theorem is ____ Thevenin’s theorem.
the same as
converse of
equal to
none of the above
In the analysis of a vacuum tube circuit, we generally use
superposition
Norton’s
Thevenin’s
reciprocity
Norton’s theorem is ____ form of an equivalent circuit
voltage
current
both voltage and current
none of the above
In the analysis of a transistor circuit, we generally use
Norton’s
Thevenin’s
reciprocity
superposition
The maximum power transfer theorem is used in
electronic circuits
power system
home lighting circuit
none of the above
Delta/star of star/delta transformation technique is applied to
one terminal
two terminal
three terminal
none of the above
Kirchhoff’s current law is applicable to only
closed loops in a network
electronic circuits
conjunctions in a network
electric circuits
Kirchhoff’s voltage law is concerned with
IR drops
battery e.m.f.s.
junction voltages
both A and b
7.According to KVL, the algebraic sum of all IR drops and e.m.f.s in any closed loop of a network is always
zero
positive
negative
determined by the battery e.m.f.s.
.The algebraic sign of an IR drop is primarily dependent upon the
amount of current flowing through it
value of r
direction of current flow
battery connection
Maxwell’s loop current method of solving electrical network
uses branch currents
utilizes Kirchhoff’s voltage law
is confined to single-loop circuits
is a network reduction method
.The nodal analysis is primarily based on the application of
KVL
KCL
ohms law
both b and c
Superposition theorem is can be applied only to circuits having ____ elements
non linear
passive
linear bilateral
resistive
The Superposition theorem is essentially based on the concept of
duality
linearity
reciprocity
non-linearity
While Thevenizing a circuit between two terminals, Vth equa
short-circuit terminal voltage
open circuit terminal voltage
EMF of the battery nearest to the terminal
net voltage available in the circuit
