NCERT Solution for Class 10 Science Chapter 12
Electricity
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-200
Questions No-2
Define the unit of current.
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NCERT Solution for Class 10 Science Chapter 12
Electricity
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-200
Questions No-2
The unit of electric current is ampere (A). When 1 C of charge flows through a conductor in 1 s, it called 1 ampere (A) current.
𝐼 = 𝑄/𝑡
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Unit of current is ampere. If one coulomb of charge flows through any section of a conductor in one second then the current through it is said to be one ampere.
I = Qt or 1 A = I C s-1
SI unit of electric current is ampere (A).
Ampere is the flow of electric charges through a surface at the rate of one coulomb per second, i.e. if 1 coulomb of electric charge flows through a cross section for 1 second, it would be equal to 1 ampere.
Therefore, 1 ampere = 1C/1s
SI unit of electric current is ampere. Current is said to be 1 ampere (1A), if 1 coulomb charge flows per second across a cross-section of a conductor.
The unit of electric current is the ampere, symbolized by the letter “A.” It is named after the French physicist André-Marie Ampère, who made significant contributions to the study of electromagnetism. One ampere is defined as the amount of current that flows through a conductor when one coulomb of electric charge passes through it per second. In equations, this relationship is often expressed as:
1A = 1C/s
Where:
» 1 A is one ampere,
» 1 C is one coulomb, and
» 1 s is one second.