1
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
In a uniform electric field, field lines and equipotentials
A
are parallel to one another
B
intersect at $$45^\circ$$
C
intersect at $$30^\circ$$
D
are orthogonal
2
GATE EE 1997
Subjective
+1
-0
Express the given matrix $$A = \left[ {\matrix{ 2 & 1 & 5 \cr 4 & 8 & {13} \cr 6 & {27} & {31} \cr } } \right]$$
as a product of triangular matrices $$L$$ and $$U$$ where the diagonal elements of the lower triangular matrices $$L$$ are unity and $$U$$ is an upper triangular matrix.
3
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
$$\mathop {Lim}\limits_{\theta \to 0} \,{{\sin \,m\,\theta } \over \theta },$$ where $$m$$ is an integer, is one of the following :
A
$$m$$
B
$$m\pi $$
C
$$m\theta $$
D
$$1$$
4
GATE EE 1997
MCQ (Single Correct Answer)
+1
-0.3
If a diode is connected in anti - parallel with a thyristor, then
A
Both turn off power loss and turn off time decreases
B
Turn-off power loss decreases but turn - off -time increases
C
Turn-off power loss increases, but turn off time decreases
D
None of the above
EXAM MAP