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Electricity

21 Reviews

Class type: Online

Class type: Online

Next Class is not scheduled yet!

Previous Class

Wed, 09 Feb 2022 at 10:00-11:00am

Experienced and certified teacher from university

21 Reviews

About the Master Class

we will discuss all important topics ;Think life without “electricity” in this modern society. Is it possible to survive
without electrical energy in world of technology. Since we are science student, so it
is necessary to understand the basic concept behind the word “electricity”
Charge®(q)
It is a very small particles present in an atom it can be either negative (electron) or
positive (proton)
“Coulomb” is the SI unit of charge, represented by C.
Net charge (Q)–Total charge
IC Net charge is equivalent to the charge contained in nearly electrons 18 6´10
Q = ne (n is no: of electron)
If Q = 1C, –19 e = 1.6 ´ 10 C (negative charge on electron)
Q
e
n = =
1
–19 1.6 ´ 10
=
100
16 ´18 10 18 = 6.2 ´ 10
18 n = 6 ´ 10 electron
Current (I)
Rate of flow of net charge is called current. Denoted by (I)
Q
t
I = t is time
SI unit of current is “Ampere” rep. by A.
Ampere®Defined as one coulomb of charge following per second.
In an electric circuit the electric current flow in the opposite direction of the flow of
electron (–ve charge) conventionally. It flows from the +ve terminal of battery or
cell to –ve terminal.
Small quantity of current are expressed in
–3 mA (milli Ampere) = 10 A
–6 uA (micro Ampere) = 10 A
Ammeter– It is an instrument used to measure the electric current in a circuit.
It is always connected in series m a circuit
+ –
It is represented by the symbol –––––––– A ––––––– in an electric circuit. It has
low resistance.
Electric Circuit– It is a closed path along which an electric current flow.
A
+ –
+

Battery
(Having 3 cells)
Key
Ammeter
Bulb
The arrow shows the direction
of electric current in circuit.
In this circuit ammeter is
connected in series.
The electron can only flow when there is difference of electric pressure. For
example “water flowing through a tube” It is only possible when there high
pressure at one side and low at another side, then it will move from high pressure to
low pressure.
In case of electric current, the flow of charge is made possible due to chemical
action with in a cell that generates the potential difference across the terminals of
the cell.
8. Electric potential Difference– It is defined as the work done in carrying a unit
charge from one point to another between the two points of an electric circuits.
V =
W
Q
V – Potential Difference
W – Work
Q – Net Charge
SI unit of potential difference – Volts rep. by “V”

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About the Trainer

Amit picture

4.82 Avg Rating

44 Reviews

418 Students

17 Courses

Amit Jha

NONE

18 Years of Experience

Class 12 Tuition

Student Feedback

4.7

Average Rating

76%
14%
10%
0%
0%
0%

Reviews

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Safa Khan

6 days ago

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Satya Darana

02 Aug

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Satya Darana

02 Aug

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Satya Darana

02 Aug

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Ranjan Rath

04 Mar

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Ranjan Rath

04 Mar

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Ranjan Rath

04 Mar

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Ranjan Rath

04 Mar

R

Ranjan Rath

04 Mar

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Ranjan Rath

04 Mar

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Ranjan Rath

04 Mar

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Ranjan Rath

02 Feb

All my doubts were clear. I asked each and every question which I didn't get and he explained thoroughly and gave easy method to solve them. Thank you sir!

S

Sandeep Basrur

16 Jan

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Sandeep Basrur

16 Jan

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Sandeep Basrur

16 Jan

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Sandeep Basrur

16 Jan

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Sandeep Basrur

16 Jan

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Sandeep Basrur

16 Jan

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Promod Kumar

23 Jan

Amit sir has a very lucid way to explain questions, in such a manner that child develops a very systematic approach to solve sums.He is very patient with my daughter and relate complex sums to real life problems. I have very high hopes from him. With his blessings I pray to God that my daughter would generate interest in maths. Thanks you sir for your guidance.

V

Vanika Chawla

It really helped me, i got all my doubts cleared from my syllabus and had an overall great experience.

D

Dhruv Sharma

Sir way of teaching is unique and also he teaches one concept around 4 to 5 times if any one is not able to understand.

Discussions

Amit picture

Amit Jha

Experienced and certified teacher from university

No Reviews Yet

Next Class is not scheduled yet!

Previous Class

Wed, 09 Feb 2022 at 10:00-11:00am

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