GATE 2020: Network Theory Quiz 4 (App update required to attempt this test)

The unbalanced star connected load has balanced voltages of 100 V. If Z_A = 15 Ω, Z_B = 10 + j5 Ω and Z_C = 6 – j8 Ω then the current in the neutral line is

At an industrial sub-station with a 4 MW load, a capacitor of 2 MVAR is installed to maintain the load power factor at 0.97 lagging. If the capacitor goes out of service, the load power factor becomes

In a balanced three-phase three wire Y – Y connected system as shown below,


the total power dissipated in three-phase load is-

A balanced delta connected load of (8+j6) Ω per phase is connected to a 400V, 50Hz, 3-phase supply lines. If the power factor is to be improved to unity by connecting a bank of star connected capacitors, the required kVAR of the bank is …………….. kVAR.

For the unbalanced delta connected load as shown, find the phase currents, line currents and the total power consumed by the load when the phase sequence is abc.

Calculate the total active power for the below 3-ϕ circuit

Given that line to line voltage is 10V _______W