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Let the parallel plate capacitor have plates of area A and separation d. The original capacitance without the dielectric is 
When a dielectric slab of thickness d/2 and dielectric constant K=4 is inserted, the capacitor can be considered as two capacitors connected in series: 1. A capacitor with air (or vacuum, K=1) and plate separation d/2. Its capacitance 
2. A capacitor with the dielectric (K=4) and plate separation d/2. Its capacitance 
The effective capacitance Ceff of two capacitors in series is given by: 
Therefore the correct answer is option (A).
Identify the INCORRECTLY spelt word in the given sentence.
Find the correctly spelt word.
Select the wrongly spelt word.
In each question below a sentence with four words printed in bold type is given. These are numbered as (1), (2), (3) and (4). One of these four boldly...
I sit behind the counter and wait for a customer to come in and by something, but they all walk past the window as though the place were invisib...
Choose the option with the correct spelling of the words given below or highlighted in a sentence.
The sergant inspected the troops, ensurin...
Directions: In each question below, four words printed in bold type are given. These are numbered (A), (B), (C) and (D). One these words printed in bo...
1) Hidious
2) Mesmarise
3) Depriciation
4) Credential
