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SSC Scientific Assistant EC: Digital Circuits Quiz 3
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Question 1
Two, two-port networks are connected in cascade. The combination is to be represented as a single two-port network. The parameters of the network are obtained by multiplying the individual
Question 2
A vertex v is a cut vertex of connected graph G if and only if there exist two vertices u and w in the graph G. Which among the following option is incorrect?
Question 3
What should be done to find the initial values of the circuit variables in a first-order R-C circuit excited by only initial conditions?
Question 4
The response of a series R-C circuit is given by
where q0 is the initial charge on the capacitor.
What is the final value of the current?
where q0 is the initial charge on the capacitor.
What is the final value of the current?
Question 5
A 3-phase, 4-wire system supplies power to a balanced star-connected load. The current in each phase is 15 A. The current in the neutral in the neutral wire will be
Question 6
A 100 resistor has an effective inductance of 0.1 μH and a distributed capacitance of 10 pF. Its time constant at medium frequency is
Question 7
Consider the following statements:
A step voltage is applied to an under-damped series RLC circuit in which R is variable. If R is
1) increased, the steady-state voltage across C will be reduced.
2) increased, the frequency of transient oscillations across C will be reduced.
3) reduced, the transient oscillations will die down at a fast rate.
4) reduced to zero, the peak amplitude of the voltage across C will be double that of input voltage.
Which of these statements is/are correct?
A step voltage is applied to an under-damped series RLC circuit in which R is variable. If R is
1) increased, the steady-state voltage across C will be reduced.
2) increased, the frequency of transient oscillations across C will be reduced.
3) reduced, the transient oscillations will die down at a fast rate.
4) reduced to zero, the peak amplitude of the voltage across C will be double that of input voltage.
Which of these statements is/are correct?
Question 8
For the below circuit, the current gain function has poles and zeros as
Question 9
The Y-parameters of the network shown below are
Question 10
A two-port network is described by the following equations:
Then, which one of the following is not correct?
Then, which one of the following is not correct?
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Jun 14ESE & GATE EC