MHT CET 2024 15th May Morning Shift | Capacitor Question 6 | Physics

Three condensers of capacities ' $\mathrm{C}_1$ ', ' $\mathrm{C}_2$ ', ' $\mathrm{C}_3$ ' are connected in series with a source of e.m.f. ' $V$ '. The potentials across the three condensers are in the ratio

$1: 1: 1$

$\mathrm{C}_1: \mathrm{C}_2: \mathrm{C}_3$

$\mathrm{C}_1^2: \mathrm{C}_2^2: \mathrm{C}_3^2$

$\frac{1}{\mathrm{C}_1}: \frac{1}{\mathrm{C}_2}: \frac{1}{\mathrm{C}_3}$

MHT CET 2024 11th May Evening Shift

MCQ (Single Correct Answer)

-0

A $1 \mu \mathrm{~F}$ capacitor is charged to 50 V and is then discharged through 10 mH inductor of negligible resistance. The maximum current in the inductor is

0.5 A

1.5 A

1 A

0.15 A

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

When three capacitors of equal capacities are connected in parallel and one of the same capacity, capacitor is connected in series with the combination. The resultant capacity is $4.5 \mu \mathrm{~F}$. The capacity of each capacitor is

$5 \mu \mathrm{~F}$

$7 \mu \mathrm{~F}$

$6 \mu \mathrm{~F}$

$8 \mu \mathrm{~F}$

MHT CET 2024 11th May Morning Shift

MCQ (Single Correct Answer)

-0

Two parallel plate air capacitors of same capacity ' C ' are connected in series to a battery of emf ' $E$ '. Then one of the capacitors is completely filled with dielectric material of constant ' K '. The change in the effective capacity of the series combination is

$\frac{\mathrm{C}}{2}\left[\frac{\mathrm{~K}+1}{\mathrm{~K}-1}\right]$

$\frac{2}{\mathrm{C}}\left[\frac{\mathrm{K}-1}{\mathrm{~K}+1}\right]$

$\frac{\mathrm{C}}{2}\left[\frac{\mathrm{~K}-1}{\mathrm{~K}+1}\right]$

$\frac{\mathrm{C}}{2}\left[\frac{\mathrm{~K}-1}{\mathrm{~K}+1}\right]^2$

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