Question
Hard
Solving time: 4 mins
Five identical conducting plates and 5 are fixed parallel to and equidistant from each other as shown in fig. Plates 2 and 5 are connected by a conductor while 1 and 3 are joined by another conductor. The junction of 1 and 3 and the plate 4 are connected to a source of constant emf . Find : (i) The effective capacity of the system between the terminals of the source. (ii) The charge on plates 3 and 5 . Given distance between any two successive plates and area of either face of each plate.
Text solutionVerified
The equivalent arrangement of the plates is shown in Fig. From these five plates, there forms four identical capacitors. These are , and . The capacitance of each capacitor .
Capacitors and are in parallel and so their capacitance becomes . Now is in series with capacitor , and so equivalent capacitance becomes . And this now is in parallel with . Thus effective capacitance between the terminals becomes
Charge on the capacitor :
.
Charge on the capacitors and :
This charge equally divided on to and , so
The charge on plate
The charge on plate
The charge on plate
The charge on plate 4 :
The charge on plate
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Question Text | Five identical conducting plates and 5 are fixed parallel to and equidistant from each other as shown in fig. Plates 2 and 5 are connected by a conductor while 1 and 3 are joined by another conductor. The junction of 1 and 3 and the plate 4 are connected to a source of constant emf . Find :
(i) The effective capacity of the system between the terminals of the source.
(ii) The charge on plates 3 and 5 .
Given distance between any two successive plates and area of either face of each plate.
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Updated On | Oct 2, 2023 |
Topic | Electrostatic Potential and Capacitance |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 225 |
Avg. Video Duration | 5 min |