Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | A delta circuit has each element of value R/2. The equivalent elements of star circuit with be |

A. | R/6 [Correct Answer] |

B. | R/3 [Wrong Answer] |

C. | 2R [Wrong Answer] |

D. | 3R [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ An electric circuit with 10 branches and 7 nodes will have

3 loop equations.

4 loop equations

7 loop equations

10 loop equations.

⇒ The first and the last critical frequencies (singularities) of a driving point impedance function of a passive network having two kinds of elements, are a pole and a zero respectively. The above property will be satisfied by

RL network only.

RC network only

LC network only

RC as well as RL networks

⇒ For a voltage source

terminal voltage is equal to the source emf.

terminal voltage cannot exceed source emf.

terminal voltage is always lower than source emf.

terminal voltage is higher than the source emf.

⇒ The concept on which Superposition theorem is based is

reciprocity

duality

non-linearity

linearity

⇒ A closed path made by several branches of the network is known as

branch

loop

circuit

junction

⇒ A passive network is one which contains

only variable resistances

only some sources of e.m.f. in it

only two sources of e.m.f. in it

no source of e.m.f. in it

⇒ The lowest and the highest critical frequencies of an R-L driving point impedance are, respectively

a zero, a pole

a pole, a pole

a zero, a zero

a pole, a pole

⇒ The terminals across the source are____ if a current source is to be neglected.

open circuited

short circuited

replaced by a capacitor

replaced by a source resistance

⇒ Kirchhoff's voltage law is concerned with

IR drop.

battery emf.

junction voltage.

both (a) and (b).

⇒ "Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances".

The above statement is associated with

Thevenin's theorem

Millman's theorem

Maximum power transfer theorem

None of the above

⇒ Kirchhoff's voltage law is related to

junction currents

battery e.m.fs

IR drops

both (b) and (e)

⇒ A capacitor is generally a

bilateral and active component

active, passive, linear and nonlinear component

linear and bilateral component

non-linear and active component

⇒ The circuit having same properties in either direction is known as____circuit.

bilateral

unilateral

irreversible

reversible

⇒ The first and last critical frequency of an RC-driving point impedance function must respectively be

a zero and a pole

a zero and a zero

a pole and a pole

a pole and a zero

⇒ Constant voltage source is

active and bilateral.

passive and bilateral

active and unilateral.

passive and unilateral.

⇒ The circuit has resistors, capacitors and semi-conductor diodes. The circuit will be known as

non-linear circuit

linear circuit

bilateral circuit

none of the above

⇒ The theorem that enables a number of voltage (or cuiTent) sources to be combined directly into a single voltage (or current) source is the____ theorem.

compensation

reciprocity

Millman's

Maxwell's

⇒ A, B, C and D represent the transmission parameters of a two-port network. When is the network reciprocal?

AB - CD = 1.

AD - BC = 1.

AB - CD = 0.

AD - BC = 0.

⇒ A connected network of N > 2 nodes has at most one branch directly connecting any pair of nodes. The graph of the network

must have at least N branches for one or more closed paths to exist?

can have an unlimited number of branches?

can only have at most N branches?

can have a minimum number of branches not decided by N?

⇒ While calculating R

_{th}in Thevenin's theorem and Norton equivalent

all independent sources are made dead

only current sources are made dead

only voltage sources are made dead

all voltage and current sources are made dead

⇒ The number of possible ordered trees with 3 nodes A, B, C is

6

8

10

12

⇒ For maximum transfer of power, internal resistance of the source should be

equal to load resistance

less than the load resistance

greater than the load resistance

none of the above

⇒ Which of the following is not bilateral element?

Constant current source

Resistor.

Inductor.

Capacitor.

⇒ An ideal voltage source has

zero internal resistance

open circuit voltage equal to the voltage on full load

terminal voltage in proportion to current

terminal voltage in proportion to load

⇒ A delta circuit has each element of value R/2. The equivalent elements of star circuit with be

R/6

R/3

2R

3R

⇒ For a two-port symmetrical bilateral network, if A = 3 and B = 1 ω, the value of parameter C will be

4 s

6 s

8 s

16 s

⇒ If a circuit does not contain any source of energy or e.m.f. it is known as

unilateral circuit

bilateral circuit

passive network

active network

⇒ Pole of a network is a frequency at which

network function becomes zero.

network function becomes infinite.

network function becomes unity.

none of these.

⇒ Aterininalwhere three on more branches meet is known as

node

terminus

combination

anode

⇒ "Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load".

The above statement is associated with

Millman's theorem

Thevenin's theorem

Superposition theorem

Maximum power transfer theorem