Question
Download Solution PDFA current of 1 mA is flowing in conductor, then number of electrons passing through per second in conductor is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Electric current:
- The flow of electric charges through a conductor constitutes an electric current.
- Quantitatively, electric current in a conductor across an area held perpendicular to the direction of flow of charge is defined as the amount of charge flowing across that area per unit time i.e.,
- SI unit of current is ampere and it is denoted by the letter A.
CALCULATION:
Given - current (I) = 1 mA = 1 × 10-3 Aa and t = 1 sec
- The total charge passing per second is given by
⇒ Q = ne
⇒ ne = It
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