8. Battery or cell are required for it
Battery - because its required more electricity
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9. if we want more amount of electricity then we
use Battery
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10. When we want less amount of electricity then
we use cell, it has two terminal (+ve) and (-ve)
terminal .
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11. DEFINITION OF ELECTROCHEMICAL CELL
DEFINITION OF ELECTROCHEMICAL CELL
AND BATTERY
AND BATTERY
An electrochemical cell is a device capable of
either deriving electrical energy from chemical
reactions its have two terminal (+ve)and (–ve).
battery is combination of two or more
electrochemical cell in series .
16. Serial circuit
• A Series Circuit is a circuit whose components are
connected in a single loop
• In a Series Circuit, the Current I flowing through each
component is the same but Voltage across each
component can be different.
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18. ASSESSMENT QUESTION
QUES. See the picture below and give answers.
1. Would any of the bulb glow when the switch is in
the ‘OFF’ position ?
2. What will be the order in which the bulbs A,B and
C will glow when the switch in moved to the
‘ON’ position ?
