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GATE 2019: Network Theory Quiz 2

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Question 1

For the circuit given below, if Vx = – 6 V and current I through 5 Ω resistor is 2 A then R1 and R2 are respectively

Question 2

Three resistors in ratio 2 : 4 : 3 are connected in parallel. They are supplied by a current of 13 A. Determine the ratio of currents through the resistors.

Question 3

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 4

Three capacitors C1 C2 and C3 whose values are 10 µF. 5 µF. and 2 µF respectively, have breakdown voltages of 10V, 5V, and 2V respectively. For the interconnection shown below, the maximum safe voltage in Volts that can be applied across the combination, and the corresponding total charge
in µC stored in the effective capacitance across the terminals are respectively,

Question 5

A Y-network has resistances of 10 Ω each in two of its arms, while the third arm has a resistance of 11 Ω in the equivalent D − network, the lowest value in Ω among the three resistances is ______________.

Question 6

A Y-network has resistances of 10Ω each in two of its arms, while the third arm has a resistance of 11Ω. In the equivalent ∆-network, the lowest value (in Ω) among the three resistances is ________.
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Nov 28ESE & GATE EE