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GATE 2019: Network Theory Rapid Mini Mock (App update required to attempt this test)
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Question 1
A two port network is defined as
V1=60I1+20I2
V2=40I1+10I2
then which one of the following is not true?
V1=60I1+20I2
V2=40I1+10I2
then which one of the following is not true?
Question 2
The ABCD parameters of two port network are defined by the equation;
V1=AV2-BI2
V2=CV2-DI2
Where (V1,I1) & (V2,I2) refers to the voltage and current at the two ports of the network. For the network shown in the below figure which of the option is correct.
V1=AV2-BI2
V2=CV2-DI2
Where (V1,I1) & (V2,I2) refers to the voltage and current at the two ports of the network. For the network shown in the below figure which of the option is correct.
Question 3
The value of R is such that the max. power transfer can take place from the rest of the network to R. Obtain the amount of maximum power (in mW)?
[write the answer in the nearest whole integer value]
[write the answer in the nearest whole integer value]
Question 4
Can reciprocity theorem be applied to the given network? Choose the proper answer with proper reason.
Question 5
In the circuit shown, the current I flowing through the 50Ω resistor will be zero if the value of capacitor C(in μF) is _______.
Question 6
For the circuit shown in the figure,
The value of R( in ohms) for critical damping will be:
The value of R( in ohms) for critical damping will be:
Question 7
Find the values of the R, L and C components from the given circuit if Z(s)=s/(2s2 + 2s + 1)
Question 8
Consider the two-port network shown below
If then C2 is _______ F.
If then C2 is _______ F.
Question 9
The circuit below is excited by a sinusoidal source. The value of R, in Ω. for which the admittance of the circuit becomes a pure conductance at all frequencies is
Question 10
The phase angle of current ‘I’ with respect to the voltage ‘’ in the circuit given below is:
V1 = 100(1+j)
V2 = 100(1-j)
V1 = 100(1+j)
V2 = 100(1-j)
Question 11
A coil having an inductance of and resistance ‘R’ is connected in series with an ideal capacitor of value . When the circuit is excited by a source of , the circuit draws 20W of power. The value of R and the Q factor of the coil at 1000 rad/s are respectively given by:
Question 12
A sinusoidal source of voltage V and frequency f is connected to a series circuit of variable resistance R and a fixed capacitor Xc. The locus of the tip of the current phasor I as R is varied from 0 to is
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Jun 7ESE & GATE EE