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GATE EC 2020 : Networks Quiz 2 (App update required to attempt this test)

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Question 1

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 2

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 ________.

Question 3

In the arrangement of resistance shown below, the effective resistances between points A and B is

Question 4

For the network shown below, calculate the equivalent resistance Req (in ohms). Let the value of each resistor be 3 ohm.

Question 5

Three equal impedance are first connected in delta across a 2-phase balanced supply. If the same impedances are connected in star across the same supply then,

Question 6

For the circuit shown below the current Ix through 10 ohm resistance is_____

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Jul 17ESE & GATE EC