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Q1. | Ideal current source have |

A. | zero internal resistance. [Wrong Answer] |

B. | infinite internal resistance. [Correct Answer] |

C. | low value of voltage. [Wrong Answer] |

D. | large value of current. [Wrong Answer] |

View Answer
Explanation:-
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**Also Read Similar Questions Below :**

⇒ In nodal analysis, if there are N nodes in the circuit, then how many equations will be written to solve the network?

N - 1.

N + 1.

N.

N - 2.

⇒ A practical current source is represented by

a resistance in series with an ideal current source.

a resistance in parallel with an ideal current source.

a resistance in parallel with an ideal voltage source.

none of the above.

⇒ There are b branches and n nodes the number of equations will be

n - 1

b

b - n

b - n + 1

⇒ 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

⇒ Maxwell' s loop current method of solving electrical networks

uses branch currents.

utilizes Kirchhoff' s voltage law.

is confined to single-loop circuits

is a network reduction method.

⇒ 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

⇒ 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

⇒ The superposition theorem requires as many circuits to be solved as there are

sources, nodes and meshes

sources and nodes

sources

nodes

⇒ Application of Norton's theorm to a circuit yields

equivalent current source and impedance in series

equivalent current source and impedance in parallel

equivalent impedance

equivalent current source

⇒ 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

⇒ Millman's theorem yields

equivalent resistance

equivalent impedance

equivalent voltage source

equivalent voltage or current source

⇒ Kirchhoff's s law is applicable to

passive networks only

a.c. circuits only

d.c. circuits only

both ac. as well d.c. circuits

⇒ In Thevenin's theorem, to find Z

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

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

⇒ A network has 4 nodes and 3 independent loops. What is the number of branches in the network?

5

6

7

8

⇒ A network having one or more than one source of emf is known as____ network.

passive

active

linear

nonlinear

⇒ 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

⇒ An ideal voltage source should have

large value of emE

small value of e.m.f.

zero source resistance

infinite source resistance

⇒ According to Kirchhoff's voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always

negative

positive

determined by battery e.m.fs.

zero

⇒ When the power transferred to the load is maximum, the efficiency of power transfer is

25%.

75%.

50%.

100%.

⇒ Which of the following theorems is applicable for both linear and nonlinear circuits ?

Superposition.

Thevenin's.

Norton's.

None of these.

⇒ Choose the incorrect statement.

A branch formed by the parallel connection of any resistor R and open circuit has the characteristic of an open circuit.

A branch formed by the parallel connection of any resistor R and a short circuit has the characteristic of a short circuit

A branch formed by the series connection of any resistor R and an open circuit has the characteristic of an open circuit

A branch formed by the series connection of any resistor R and a short circuit has the characteristic of resistor R

⇒ In a balanced Wheatstone bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This inference can be drawn from

reciprocity theorem.

duality theorem.

compensation theorem.

equivalence theorem.

⇒ 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 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 concept on which Superposition theorem is based is

reciprocity

duality

non-linearity

linearity

⇒ A voltage source having an open-circuit voltage of 100 V and internal resistance of 50 ω is equivalent to a current source

2 A in parallel with 50 ω.

2 A with 50 ω in series

0.5 A in parallel with 50 ω

A in parallel with 100 ω

⇒ 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

⇒ Which of the following is not a nonlinear element?

Gas diode

Heater coil

Tunnel diode

Electric arc

⇒ Kirchhof's voltage law applies to circuits with

non-linear elements only

linear elements only

linear, non-linear, active and passive elements

linear, non-linear, active, passive, time varying as wells as time-invariant elements

⇒ Ideal voltage source have

zero internal resistance.

infinite internal resistance.

low value of current.

large value of emf.