The Unit of Current is :

The unit of current is :

MCQ

The unit of current is : ampere

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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 2 | Page 193

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

rheostat

‘The potential difference between two conductors is 1 volt.’ Explain the meaning of this statement.

Explain why does a metal wire when connected to a cell offer resistance to the flow of current.

What do you understand by the term electric current?

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

What is the electrical potential at a point in an electric field when 24 J of work is done in moving a charge of 96 C from infinity?

Compare the brightness of two 60 watt bulbs.
When they are connected in series.
Explain giving scientific reasons.