Question 17:
(a) What is an electric current ? What makes an electric current flow in a wire ?
(b) Define the unit of electric current (or Define ampere).
Lakhmir Singh Physics Class 10
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it is the current in which charge flows continuously . electrons and protons .
1 charge flows in 1 second
1 charge flows in 1 second
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★☆〖Qบęຮτ ı¨ ø nˇ〗☆★
=> Electric current[I] is defined as the rate of flow of electric charge[Q] with respect to time[t], across a cross-section of a conductor, normal to the direction of its flow...
=> Given By: I = dQ/dt
=> It is the flow of electrons in a conductor...
=> The electric current flowing across any cross section of a conductor is said to be one ampere(1 A) when one coulomb(1 C) of electric charge flows through it in a time interval of 1 second, normal to the direction of its flow...
=> It is the SI, 4th base unit of electric current, named in the honour of Andre Marie Ampere...
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