GATE EE 1992 | GATE EE Year Wise Previous Years Questions

GATE EE 1992

Subjective

-0

A separately excited $$d.c.$$ motor has an armature resistance of $$0.5$$ $$ohm.$$ It runs off a $$250$$ $$V$$ $$d.c.$$ supply drawing an armature current of $$20$$ $$A$$ at $$1,500$$ $$rpm.$$ The torque developed for an armature current of $$10$$ $$A$$ will be __________ for the same field current.

GATE EE 1992

MCQ (Single Correct Answer)

-0.3

Two transformers of the same type, using the same grade of iron and conductor materials, are designed to work at the same flux and current densities; but the linear dimensions of one are two times those of the other in all respects. The ratio of $$kVA$$ of the two transformers closely equals

$$16$$

$$8$$

$$4$$

$$2$$

GATE EE 1992

MCQ (More than One Correct Answer)

-0.3

Two transformers of different $$kVA$$ ratings workings in parallel share the load in proportion to their ratings when their

per unit leakage impedances on the same $$kVA$$ base are the same

per unit leakage impedances on their respective ratings are equal

ohmic values of the leakage impedances are inversely proportional to their ratings

ohmic values of the leakage magnetizing reactances are the same

GATE EE 1992

MCQ (Single Correct Answer)

-0.3

Which of the following equations represents the Gauss's law in a homogeneous isotropic medium?

$$\iint\overrightarrow D.d\overrightarrow s=\iiint\rho\;dv$$

$$\nabla\times\overrightarrow H=\overrightarrow D$$

$$\nabla.\overrightarrow{J\;}+\rho=0$$

$$\nabla.\overrightarrow E=\frac\rho\varepsilon$$

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