State The Two Kinds of Cell. Give One Example of Each.

State the two kinds of cell. Give one example of each.

Short/Brief Note

Two kinds of cells:

(a) Primary cell: e.g. Leclanche cell

(b) Secondary cell: Lead (or acid) accumulator

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Types of Circuits: Simple Circuit

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Chapter 9: Current Electricity - Exercise 9 (A) [Page 193]

Chapter 9 Current Electricity
Exercise 9 (A) | Q 6 | Page 193

Write symbol and state function of following component in an electric circuit :

rheostat

Write symbol and state function of following component in an electric circuit :

voltmeter

How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?

State three factors on which the resistance of a wire depends. Explain how the resistance depends on the factors stated by you.

How is potential difference related to work done and quantity of charge?

4 × 10²⁰ electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10^-19 C]

Draw a diagram showing two bulbs connected in series to a dry cell.