1
GATE EE 2015 Set 2
Numerical
+1
-0
A capacitive voltage divider is used to measure the bus voltage Vbus in a high-voltage 50Hz AC system as shown in the figure. The measurement capacitors C1 and C2 have tolerances of $$\pm$$10% on their nominal capacitance values. If the bus voltage Vbus is 100 kV rms, the maximum rms output voltage Vout (in kV), considering the capacitor tolerances, is __________.
2
GATE EE 2015 Set 2
+1
-0.3
Match the following.
A
\eqalign{ & P - 1 \cr & Q - 2 \cr & R - 1 \cr & S - 3 \cr}
B
\eqalign{ & P - 1 \cr & Q - 3 \cr & R - 1 \cr & S - 2 \cr}
C
\eqalign{ & P - 1 \cr & Q - 2 \cr & R - 3 \cr & S - 3 \cr}
D
\eqalign{ & P - 3 \cr & Q - 1 \cr & R - 2 \cr & S - 1 \cr}
3
GATE EE 2015 Set 2
+1
-0.3
A 3-phase balanced load which has a power factor of 0.707 is connected to a balanced supply. The power consumed by the load is 5 kW. The power is measured by the two-wattmeter method. The readings of the two wattmeters are
A
3.94 kW and 1.06 kW
B
2.50 kW and 2.50 kW
C
5.00 kW and 0.00 kW
D
2.96 kW and 2.04 kW
4
GATE EE 2015 Set 2
Numerical
+2
-0
The coils of a wattmeter have resistances $$0.01$$ $$\Omega$$ and $$1000$$ $$\Omega$$; their inductances may be neglected. The wattmeter is connected as shown in the figure, to measure the power consumed by a load, which draws $$25$$ $$A$$ at power factor $$0.8$$. The voltage across the load terminals is $$30$$ $$V$$. The percentage error on the wattmeter reading is______________.
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