What is the current through a resistor if 4.0 × 10¹⁶ electrons pass a point in the resistor in 0.50 s? (e = 1.60 × 10^-19C) A)0.013 A B)0.31 A C)6.3 A D)78 A

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Quizplus · Accepted Answer

The current can be calculated using the formula I = Q/t, where Q is the charge and t is the time. The charge Q can be found by multiplying the number of electrons by the charge of one electron (e = 1.60 × 10^-19 C). So, Q = 4.0 × 10^16 * 1.60 × 10^-19 C = 6.4 × 10^-3 C. Then, I = Q/t = 6.4 × 10^-3 C / 0.50 s = 0.0128 A, which rounds to 0.013 A.

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