This is an initial attempt by my students of B.Ed. in creating Programmed Instructional material using the template I had provided them. Your observations and suggestions are welcome!

1. Topic: Elecrticity
Class: 10
Medium: English
Let’s start module
Programmed Instructional material

2. Objectives
At the end of this module you will be able to-
• recall the concept of electricity
• define the term electromagnetic force
• know about the nature of charge on electron
and proton
Let’s start module

3. ELECTRICITY
The ward electricity refers to the natural phenomenon known only by
its effects like electric current, electric field and electromagnetism .
Electricity or electric phenomena are caused by electric charges . charge
is the fundamental property of material particles because of which they
exert electric force on one another. Nature of charge on electron is
negative and charge on proton is positive. Magnitude of charge of
electron is -1.6/10(-19)c and charge of photon is +1.6/10(-19)c. S.I unit
of charge which is called “coulomb”. similar charges repel each other
and unlike charges attract each other. The material which loses electrons
become positively charged(due to the presence of excess proton) and the
material which gains electrons become negatively charged. Both the
material will get equal amount of charges. Like charge repel and unlike
charge attract each other and these force are called electrostatic forces.
Let’s answer some questions

4. Q1: Electricity is caused by…………..
Electrons
Protons
Electric charges
Electric field

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8. Q2: Nature of charge on electron is
Negative
Positive
Neutral
All of above

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12. Q3: Magnitude of charge of photon is
-1.6/10(-19)c
+-1.6/10(-19)c
+1.6/10(-19)c
1.6/10(-19)c

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15. Q4: S.I unit of charge is
Resistance
Ohm
Ampere
coulomb

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Current is measured in
ampere and resistance is
measured in ohm.

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19. Q5: Like charge repel and unlike charge
attract each other and these force are called-
Electromagnetic force
Electric current
Electrostatic force
None of these

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23. Congratulations you have Scored 50
marks!