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Capacitance of Parallel Plate Capacitor

17. What is d...

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17. What is discharge potential? And how to determine lowest discharge potential among Na+ ,Ag+, Al+3 and Cu+2?

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Q. (a) Al³⁺, Cu²⁺, Na⁺, Zn²⁺ ions are present in an aqueous solution, such that the concentration of ions is same. write the order of discharge of ions.
(b) Amongst the OH⁻ ions and Br⁻ ions which are likely to discharge first?

Q. The standard cell potential for

Z n | Z n^{2 +} | | C u^{2 +} | C u

is 1.10V. When the cell is completely discharged,

l o g [Z n^{2 +}] / [C u^{2 +}]

Q. A capacitor of capacitance

0.1 μ F

is charged to certain potential and allow to discharge through a resistance of

10 M Ω

. How long will it take for the potential to fall to one half of its original value?

Q. Three identical capacitors

A, B a n d C

are charged to the same potential and then made to discharge through three resistance

R_{A} > R_{B} > R_{C}

. Their potential differences (V) are plotted against time

t

, giving the curves 1,2 and 3. Choose the incorrect option.

Q. Two identical capacitor A and B are charged to the same potential and then made to discharge through resistance

R_{A}

R_{B}

respectively, with

R_{A} > R_{B}

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Capacitance of Parallel Plate Capacitor

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