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Recent questions tagged capacitance
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1
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
(
9.2k
points)
gate2014ee1
dielectric
capacitance
0
votes
0
answers
2
GATE201418
A combination of $1$ $μF$ capacitor with an initial voltage $V_0(c)=2V$ in series with a $100$ $Ω$ resistor is connected to a $20$ $mA$ ideal $dc$ current source by operating both switches at $t=0s$ as shown. Which of the following graphs shown in the options approximates the voltage $V_s$ across the current source over the next few seconds?
asked
Feb 12, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2014ee1
capacitance
switch
0
votes
0
answers
3
GATE2016216
A parallel plate capacitor filled with two dielectrics is shown in the figure below. If the electric field in the region $A$ is $4 kV/cm$, the electric field in the region $B$, in $kV/cm$, is $1$ $2$ $4$ $16$
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2016ee2
electromagnetism
capacitance
relativepermitivity
0
votes
0
answers
4
GATE2016154
The circuit below is excited by a sinusoidal source. The value of $R$, in $\Omega$, for which the admittance of the circuit becomes a pure conductance at all frequencies is _____________.
asked
Jan 30, 2017
in
Electrical Circuits
by
makhdoom ghaya
(
9.2k
points)
gate2016ee1
capacitance
inductance
sinusoidalsource
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