1
GATE EE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A parallel plate capacitor consisting two dielectric materials is shown in the figure. The middle dielectric slab is place symmetrically with respect to the plates. GATE EE 2014 Set 2 Electromagnetic Fields - Electrostatics Question 34 English If the potential difference between one of the plates and the nearest surface of dielectric interface is 2 Volts, then the ratio $$\varepsilon_1\;:\;\varepsilon_2$$ is
A
1:4
B
2:3
C
3:2
D
4:1
2
GATE EE 2010
MCQ (Single Correct Answer)
+1
-0.3
Divergence of the three-dimentional radial vector field $$\overrightarrow F$$ is
A
3
B
1/r
C
$$\widehat i+\widehat j+\widehat k$$
D
$$3\left(\widehat i+\widehat j+\widehat k\right)$$
3
GATE EE 2007
MCQ (Single Correct Answer)
+1
-0.3
Divergence of the vector field $$$\overrightarrow V\left(x,y,z\right)=-\left(x\cos xy\;+\;y\right)\;\widehat i\;+\;\left(y\cos xy\right)\;\widehat j\;+\;\left(\sin\;z^2\;+\;x^2\;+\;y^2\right)\widehat k$$$ is
A
$$2z\cos z^2$$
B
$$\sin xy\;+\;2z\;\cos z^2$$
C
$$x\sin xy\;-\;cosz$$
D
none of these
4
GATE EE 2004
MCQ (Single Correct Answer)
+1
-0.3
A parallel plate capacitor is shown in Fig. It is made of two square metal plates of $$400$$ $$mm$$ side. The $$14$$ $$mm$$ space between the plates is filled with two layers of dielectrics of $${\varepsilon _r} = 4,6\,\,mm$$ thick and $${\varepsilon _r} = 2,8\,\,mm$$ thick. Neglecting fringing of fields at the edges, the capacitance is GATE EE 2004 Electromagnetic Fields - Electrostatics Question 17 English
A
$$1298\,pF$$
B
$$944\,pF$$
C
$$354\,pF$$
D
$$257\,pF$$
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