1
GATE EE 2013
+1
-0.3
Consider a delta connection of resistors and it's equivalent star connection as shown below. If all elements of the delta connection are scaled by a factor k, k>0, the elements of the corresponding star equivalent will be scaled by a factor of
A
$$k^2$$
B
k
C
1/k
D
$$\sqrt k$$
2
GATE EE 2010
+1
-0.3
As shown in the figure, a 1 Ω resistance is connected across a source that has a load line v + i = 100. The current through the resistance is
A
25 A
B
50 A
C
100 A
D
200 A
3
GATE EE 2010
+1
-0.3
If the electrical circuit of figure (b) is an equivalent of the coupled tank system of figure (a), then
A
A, B are resistances and C, D capacitances
B
A, C are resistances and B, D capacitances
C
A, B are capacitances and C, D resistances
D
A, C are capacitances and B, D resistances
4
GATE EE 2009
+1
-0.3
How many 200 W/200 V incandescent lamps connected in series would consume the same total power as a single 100 W/200 V incandescent lamp?
A
not possible
B
4
C
3
D
2
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