Jan 12, 2016

Concept of Current of Current Electricity Physics For Class 10

Current (I) : Current can be defined as rate of flowing of charge (Q).
i.e
I= Q/t
where Q= Charge in coulumb
I = current in Ampere
t= Time in second.

1 Ampere is the charge flowing through a conductor in 1 second.
Q= I x T Amp-Sec

In an ionised electrolyte charged ions flow from one plate to another. For example negative ions flow from cathode to anode and positive ions flow from anode to cathode.

charge of 1 e = 1.6x10-19 Coulomb
or 6.25x1018 electrons= 1 coulomb

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Measurement of Length Concept of List Count Limitation Description Precaution Physics Class 9

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2. Causes Of Refraction of Light Physics Class 10

Cause of Refraction : The speed of the light in different transparent substances is different. For example speed of light in air is 3×...