1
GATE EE 2014 Set 1
+1
-0.3
C0 is the capacitance of a parallel plate capacitor with air as dielectric (as in figure (a)). If, half of the entire gap as shown in figure (b) is filled with a dielectric of permittivity $$\in_r$$ , the expression for the modified capacitance is
A
$$\frac{C_0}2\left(1+\in_r\right)$$
B
$$\left(C_0+\in_r\right)$$
C
$$\frac{C_0}2\in_r$$
D
$$C_0\left(1+\in_r\right)$$
2
GATE EE 2014 Set 1
Numerical
+1
-0
The three circuit elements shown in the figure are part of an electric circuit. The total power absorbed by the three circuit elements in watts is ________________.
3
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
$$\sqrt k$$
4
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
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