Network Theory And Analysis - Study Mode

Show All Answers

[#76] A network contains only an independent current source and resistors. If the values of all resistors are doubled, the value of the node voltage will-

(A) remain unchanged

(B) become half

(C) become double

(D) become zero

Correct Answer

(C) become double

[#77] As the poles of a network shift away from the axis the response becomes

(A) Less oscillatory

(B) More oscillatory

(C) Constant

(D) Does not change

Correct Answer

(A) Less oscillatory

[#78] Specific resistance of a conductor depends upon

(A) Dimensions of the conductor

(B) Composition of conductor material

(C) Resistance of the conductor

(D) Both A and B

Correct Answer

(B) Composition of conductor material

[#79] Two coils N 1 and N 2 turns are would concentrically on a straight cylindrical core of radius r and permeability µ. The windings have length [{l_1}] and [{l_2}] respectively as shown in figure. The mutual inductance will be 1. Proportional to N 1 , N 2 2. Proportional to µ 3. Inversely proportional to [{l_1}] 4. Inversely proportional to r 2 Which of these statements are correct?

(A) 1, 2, 3 and 4

(B) 2, 3, and 4 only

(C) 1, 2, and 3 only

(D) 1, 3 and 4 only

Correct Answer

(C) 1, 2, and 3 only

[#80] Given I s = 10, V s = 10, the current I in the 3 ohm resistor is given by

(A) -2

(B) 2

(C) 4

(D) 6

Correct Answer

(B) 2