Lesson plan physics class 10 Introduction to Electric Current

1. Lesson Plan
Qulb e Abbas
Teacher Resource cum Subject Specialist

2. By the end of this session we will be able
to
• know Electronic Charges.
• Understand Direction of Flow of Electrons.
• Measuring Electric Charge.
• Define Electric Force.
• Describe Electric Field.
• Explain Electric Potential.

3. Lesson 1 : Introduction to Electric Current

5. Lesson Plan with linkages

6. Electronic Charges
Like Mass and Length, Electric Charge also is a
fundamental property of all matter.

7. Direction of Flow of Electrons

8. There is a wrong understanding that we need protons to get a
positive charge.
Actually, protons are well seated inside the nucleus of an atom.
They cannot be easily removed from or added to the nucleus of
an atom.
We deal only with electrons for getting a negative as well as
positive ions. The excess electrons make an object negative and
deficit of electrons make it positive.

9. Measuring Electric Charge
•Electric charge is measured in coulomb and the symbol for the
same is C.
•The charge of an electron is numerically a very tiny value.
•The charge of an electron (represented as e) is the
fundamental unit with a charge equal to 1.6 x 𝟏𝟎−19C.
•This indicates that any charge (q) has to be an integral multiple
(n) of this fundamental unit of electron charge (e).
•q = ne here, n is a whole number.

10. How many electrons will be there in
one coulomb of charge?

12. Electric Force
• Among electric charges there are two types of electric
force (F).
• One is attractive and another is repulsive.
• The like charges repel and unlike charges attract.
• The force existing between the charges is called as ‘Electric Force’.

13. The numerical value (magnitude) of electric
force Electric Force depend on:
i. value of charges on them
ii. distance between them
iii. nature of medium between them

14. Electrostatic forces between two point charges
obey Newton’s third law.
The force on one charge is the action and on
the other is reaction and vice versa.

15. Introductions to Field

16. Electric Field
The Electric Lines of
force are straight or
curved paths along
which a unit positive
charge tends to move in
the electric field.

17. Introduction to Potential

18. Electric Potential
Electric potential is a
measure of the work done
on unit positive charge to
bring it to that point against
all electrical forces.

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