Network Theory And Analysis - Study Mode

Show All Answers

[#186] The voltage applied to an R-L circuit at t = 0 when switch is closed at 100cos(100t + 30°). The circuit resistance is 80 Ω and inductance is 0.6 H (in which initial current is zero). What is the maximum amplitude of current flowing through the circuit?

(A) 1 A

(B) 2 A

(C) 5 A

(D) 10 A

Correct Answer

(A) 1 A

[#187] The maximum number of trees of the graph in figure is

(A) 16

(B) 25

(C) 100

(D) 125

Correct Answer

(D) 125

[#188] An energy source forces a constant current of 5 ampere for 4 sec to flow through a light bulb. If 3 kJ is give in terms of light energy, the voltage drop across the bulb is . . . . . . . .

(A) 150 V

(B) 75 V

(C) 25 V

(D) 100 V

Correct Answer

(A) 150 V

[#189] In the circuit shown in the given figure, current I is

(A) $$ - frac{2}{5}{ ext{A}}$$

(B) $$frac{{24}}{5}{ ext{A}}$$

(C) $$frac{{18}}{5}{ ext{A}}$$

(D) $$frac{2}{5}{ ext{A}}$$

Correct Answer

(D) $$frac{2}{5}{ ext{A}}$$

[#190] In the lattice network, find the value of R for the maximum power transfer to the load

(A) 5

(B) 6.5

(C) 8

(D) 9

Correct Answer

(B) 6.5