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Network Theory And Analysis
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Q121

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 . . . . . . . .

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Q122

In the circuit shown in the given figure, current I is
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Network Theory and Analysis mcq question image

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Q123

In the lattice network, find the value of R for the maximum power transfer to the load
Network Theory and Analysis mcq question image

Network Theory and Analysis mcq question image

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Q124

The reactance of a 1 Henry inductor at 50 Hz will be

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Q125

Calculate the value of R_L so that the power transfer in the given circuit will be maximum.
Network Theory and Analysis mcq question image

Network Theory and Analysis mcq question image

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Q126

Find R_e in k Ω (Assume R = 1 Ω)
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Network Theory and Analysis mcq question image

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Q127

For the circuit shown in the given figure, when the switch is at position A, the current i(t) = Isin(ωt + 30°) A. When switch is moved to position B at time t = 0, the power dissipated at the switching instant in the resistor R remains unchanged
The value of I and the element X would respectively, be
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Network Theory and Analysis mcq question image

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Q128

Unit of density is

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Q129

The current I in the circuit shown is
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Network Theory and Analysis mcq question image

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Q130

The circuit shown in the figure is used to charge the capacitor C alternately from two current sources as indicated. The switches S₁ and S₂ are mechanically coupled and connected as follows.
For 2nT ≤ t < (2n + 1)T, (n = 0, 1, 2 . . .) S₁ to P₁ and S₂ to P₂.
For (2n + 1)T ≤ t < (2n + 2)T, (n = 0, 1, 2 . . .) S₁ to Q₁ and S₂ to Q₂.
Assume that the capacitor has zero initial charge. Give that u(t) is a unit step function, the voltage V_C(t) across the capacitor is given by

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Q131

A 230 V rms source supplies power to two loads connected in parallel. The first load draws 10 kW at 0.8 leading power factor and the second one draws 10 kVA at 0.8 lagging power factor. The complex power delivered by the source is

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Q132

The capacitance of each capacitor is C = 3 µF in the figure shown. The effective capacitance between points A and B is
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Network Theory and Analysis mcq question image

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Q133

Consider the following circuit:
What is the current I in the above circuit?
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Network Theory and Analysis mcq question image

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Q134

Match List-I with List-II for the co-tree branches 1, 2, 3 and 8 of the graph shown in the given figure and select the correct answer using the options given below:

List-I	List-II
a. Twigs	1. 4, 5, 6, 7
b. Links	2. 1, 2, 3, 8
c. Fundamental cut-set	3. 1, 2, 3, 4
d. Fundamental loop	4. 6, 7, 8

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Q135

A series R-L circuit {R = 4 Ω and L = 0.01 H} is excited by a voltage (in volt) v(t) = 283sin(300t + 90°). The current in the circuit will be

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Q136

If a coil has diameter 'd', number of turns 'N' and form factor 'F' then the inductance of the coil is proportional to

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Q137

Superposition theorem can be applicable only to circuits having . . . . . . . . elements.

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Q138

What is the open circuit impedance Z₁₁(s) of the network shown in the figure given below?
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Network Theory and Analysis mcq question image

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Q139

In the circuit shown in the given figure, C₁ = C₂ = 2F and the capacitor C₁ has a voltage of 20 V when S is open
If the switch S is closed at t = 0, the voltage V_C₂ will be a
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Network Theory and Analysis mcq question image

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Q140

Thevenin's and Norton equivalents cannot be developed in circuits containing

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