The circuit in figure will act as ideal current source with respect to terminals

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Question
The circuit in figure will act as ideal current source with respect to terminals A and B when frequency is
Options
A. 0
B. 1 rad/sec
C. 4 rad/sec
D. 16 rad/sec

Correct Answer

1 rad/sec

Explanation

When ? = 4 rad/sec ?L and

The circuit in figure will act as ideal current source with respect to terminals A and B when freque

are equal.

Networks Analysis and Synthesis problems

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2. The impedance matrices of two, two-port network are given by and . If these two networks are connected in series, the impedance matrix of the resulting two-port network will be
Options
A.
B.
C.
D. indeterminate

3. A 0.5 ?F capacitor is connected across a 10 V battery. After a long time, the circuit current and voltage across capacitor will be
Options
A. 0.5 A and 0 V
B. 0 A and 10 V
C. 20 A and 5 V
D. 0.05 A and 5 V

4. An infinite ladder is constructed with 1 ? and 2 ? resistors shown below.
Options
A. 8.18 A
B. 0 A
C. 9 A
D. can't determined

6. In the circuit shown in given figure, the values of i(0⁺) and I(?), will be respectively
Options
A. zero and 1.5 A
B. 1.5 A and 3 A
C. 3 A and zero
D. 3 A and 1.5 A

8. Which of the following pairs are correctly matched?
1. Brune's realisation : realisation with ideal transformer.
2. Cauer realisation : ladder realisation.
3. Bott Duffin realisation : with non ideal transformer.
Select the answer using the following codes:
Options
A. 1, 2 and 3
B. 2 and 3
C. 1 and 3
D. 1 and 2

9. In a minimum function
Options
A. the degree of numerator and denominator are equal
B. the degree of numerator and denominator are unequal
C. the degree of numerator is one more than degree of denominator
D. the degree of numerator is one less than degree of denominator

10. An RLC series circuit is underdamped. To make it overdamped, the value of R
Options
A. has to be increased
B. has to be decreased
C. has to be increased to infinity
D. has to be reduced to zero

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