/10 points Previous Answers OSCoPhys2016 21 6 WA 057 A 510-1 resistor, an unchar

Question

/10 points Previous Answers OSCoPhys2016 21 6 WA 057 A 510-1 resistor, an uncharged 1.50-uF capacitor, and a battery with an emf of 6.14 V are connected in series. a) What is the initial current? 12 MA b) What is the RC time constant? 765e-4 What is the current after one time constant? How does the current in an RC circuit behave during the charging process? How is the current at any time related to the maximum current? ma d) What is the voltage on the capacitor after one time constant? 3.88 itional Materials Reading

Explanation / Answer

(A) I = e / R = 6.14 / 510

I = 0.012 A Or 12 mA

(B) T = R C = 510 x 1.50 x 10^-6

= 0.765 x 10^-3 s

Or 0.765 ms

(C) I = I0 [e^(-t/T)]

when t = T

I = 12 mA [e^-1] = 4.41 mA  

(D) V = e - Ir = 6.14 - (4.41 x 10^-3 x 510)

Vc = 3.88 Volt

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