1. In a certain semiconducting material the charge carriers each have a charge of 1.6 x 10-19 C. How many are entering the semiconductor per

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1. In a certain semiconducting material the charge carriers each have a charge of 1.6 x 10-19 C. How many are entering the semiconductor per second when the current is 2.0 nA?

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Lệ Thu 1 year 2021-09-05T02:47:28+00:00 1 Answers 20 views 0

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    2021-09-05T02:49:03+00:00

    Answer:

    The number of charges is 1.25 × 10¹⁰

    Explanation:

    Current is the amount of charge flowing through a conductor per second. The formula for current (I) is given as:

    I = Q/t

    Where Q is the charge flowing in coulombs and t is the time taken in seconds.

    Given that I = 2.0 nA = 2 × 10⁻⁹ A and t = 1 sec

    I = Q / t

    Q = It =  2 × 10⁻⁹ × 1 =  2 × 10⁻⁹ C

    Since each charge = 1.6 x 10⁻¹⁹ C, therefore:

    The number of charges = 2 × 10⁻⁹ C / 1.6 x 10⁻¹⁹ C = 1.25 × 10¹⁰

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