JEE Main 2017 (Online) 9th April Morning Slot | Capacitor Question 94 | Physics

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

A combination of parallel plate capacitors is maintained at a certain potential difference.

JEE Main 2017 (Online) 9th April Morning Slot Physics - Capacitor Question 92 English

JEE Main 2017 (Online) 9th April Morning Slot Physics - Capacitor Question 92 English

When a 3 mm thick slab is introduced between all the plates, in order to maintain the same potential difference, the distance between the plates is increased by 2.4 mm. Find the dielectric constant of the slab.

JEE Main 2017 (Offline)

MCQ (Single Correct Answer)

-1

A capacitance of 2 $$\mu $$F is required in an electrical circuit across a potential difference of 1.0 kV. A large number of 1 $$\mu $$F capacitors are available which can withstand a potential difference of not more than 300 V. The minimum number of capacitors required to achieve this is:

JEE Main 2016 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

Figure shows a network of capacitors where the numbers indicates capacitances in micro Farad. The value of capacitance C if the equivalent capacitance between point A and B is to be 1 $$\mu $$F is :

JEE Main 2016 (Online) 10th April Morning Slot Physics - Capacitor Question 90 English

JEE Main 2016 (Online) 10th April Morning Slot Physics - Capacitor Question 90 English

$${{31} \over {23}}\,\mu F$$

$${{32} \over {23}}\,\mu F$$

$${{33} \over {23}}\,\mu F$$

$${{34} \over {23}}\,\mu F$$

JEE Main 2016 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

Three capacitors each of 4 $$\mu $$F are to be connected in such a way that the effective capacitance is 6 $$\mu $$F. This can be done by connecting them :

all in series

two in series and one in parallel

all in parallel

two in parallel and one in series

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