GATE EE 1999 | GATE EE Year Wise Previous Years Questions

GATE EE 1999

MCQ (Single Correct Answer)

-0.6

The voltage phasor of a circuit is $$10\angle {15^ \circ }V$$ and the current phasor is $$2\angle - {45^ \circ }A.$$ The active and the reactive powers in the circuit are

$$10$$ $$W$$ and $$17.32$$ $$V$$ Ar.

$$5$$ $$W$$ and $$8.66$$ $$V$$ Ar.

$$20$$ $$W$$ and $$60$$ $$V$$ Ar.

$$20\sqrt 2 $$ and $$10\sqrt 2 V$$ Ar.

GATE EE 1999

MCQ (Single Correct Answer)

-0.6

For a dual $$ADC$$ type $$3\,\,{1 \over 2}$$ digit $$DVM$$, the reference voltage is $$100mV$$ and the first integration time is set to $$300$$$$ms$$. For some input voltage, the ''deintegration'' period is $$370.2ms$$. The $$DVM$$ will indicate

$$123.4$$

$$199.9$$

$$100.0$$

$$1.414$$

GATE EE 1999

MCQ (Single Correct Answer)

-0.3

A 4-pole lap-wound DC generator has a developed power of P watts and voltage of E volts. Two adjacent brushes of the machine are removed as they are worn out. If the machine operates with the remaining brushes, the developed voltage and power that can be obtained from the machine are

E, P

E/2, P/2

E, P/4

E, P/2

GATE EE 1999

MCQ (Single Correct Answer)

-0.6

A DC shunt motor is running at 1200 rmp, when excited with 220 V DC. Neglecting the losses and saturation, the speed of the motor when connected to a 175 V DC supply is:

750 RPM

900 RPM

1050 RPM

1200 RPM

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