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Recent questions tagged dielectric
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GATE201428
A parallel plate capacitor consisting two dielectric materials is shown in the figure. The middle dielectric slab is placed symmetrically with respect to the plates. If the potential difference between one of the plates and the nearest surface of dielectric interface is $2$ $Volts$, then the ratio $ε_1$ : $ε_2$ is $1:4$ $2:3$ $3:2$ $4:1$
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.2k
points)
gate2014ee2
dielectric
potentialdifference
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0
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2
GATE201417
$C_0$ 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 $\epsilon _r$ , the expression for the modified capacitance is $\frac{c_0}{2}(1+\epsilon _r)$ $(c_0+\epsilon _r)$ $\frac{c_0}{2}\epsilon _r$ $c_0(1+\epsilon _r)$
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
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9.2k
points)
gate2014ee1
dielectric
capacitance
0
votes
0
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3
GATE2015136
A parallel plate capacitor is partially filled with glass of dielectric constant $4.0$ as shown below. The dielectric strengths of air and glass are $30$ kV/cm and $300$ kV/cm, respectively. The maximum voltage (in kilovolts), which can be applied across the capacitor without any breakdown, is ______.
asked
Feb 12, 2017
in
Electromagnetic Fields
by
makhdoom ghaya
(
9.2k
points)
gate2015ee1
dielectric
parallelplatecapacitor
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