1
GATE EE 1992
Subjective
+5
-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.
2
GATE EE 1992
+1
-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
A
$$16$$
B
$$8$$
C
$$4$$
D
$$2$$
3
GATE EE 1992
MCQ (More than One Correct Answer)
+1
-0.3
Two transformers of different $$kVA$$ ratings workings in parallel share the load in proportion to their ratings when their
A
per unit leakage impedances on the same $$kVA$$ base are the same
B
per unit leakage impedances on their respective ratings are equal
C
ohmic values of the leakage impedances are inversely proportional to their ratings
D
ohmic values of the leakage magnetizing reactances are the same
4
GATE EE 1992
+1
-0.3
Which of the following equations represents the Gauss's law in a homogeneous isotropic medium?
A
$$\iint\overrightarrow D.d\overrightarrow s=\iiint\rho\;dv$$
B
$$\nabla\times\overrightarrow H=\overrightarrow D$$
C
$$\nabla.\overrightarrow{J\;}+\rho=0$$
D
$$\nabla.\overrightarrow E=\frac\rho\varepsilon$$
GATE EE Papers
2023
2022
2021
2020
2019
2018
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
EXAM MAP
Medical
NEET