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Network Theory : Nuclear Quiz 1

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Question 1

Consider the following statements
1. Ideal current and voltage source follows ohm’s law.
2. Maximum voltage across capacitor in a series resonance circuit is equal to source voltage.
3. Superposition theorem is not applicable to network containing time varying linear elements.
Which of the above statements is/are true?

Question 2

Consider a delta connection of resistors and its equivalent star connection as shown below. If all elements of the delta connection are scaled by a factor k, k > 0, the elements of the corresponding star equivalent will be scaled by a factor of

Question 3

Find Vth, IN, Rth for the given circuit.

Question 4

In the given network, the voltage across the capacitor attains what percentage of its final steady state value in 20 s.

Question 5

For maximum power transfer between two cascaded sections of an electrical network, the relationship between the output impedance Z1 of the first section to the input impedance Z2 of the second section is

Question 6

Determine Rth ands Vth for this network?

Question 7

In the circuit shown below, Norton equivalent impedance between point R -P is

Question 8

For the circuit shown in the figure, the Thevenin voltage and resistance looking into X–Y are:

Question 9

Superposition theorem is not valid for _______.

Question 10

Consider the following network

The value of ZL (in Ω) for maximum power transfer to it is
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