In an RC circuit, how many time constants must elapse if an initially uncharged capacitor is to reach 80% of its final potential difference? a. 5.0 b. 1.9 c. 2.2 d. 1.6 e. 3.0 The correct answer is: 1.6
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Nishant K.
The circuit in the figure below has been connected for a long time. Let R1 = 8.40 ̐ and R2 = 5.60 ̐. (a) What is the potential difference across the capacitor? (b) If the battery is disconnected from the circuit, over what time interval does the capacitor discharge to one-half its initial voltage? Your response differs from the correct answer by more than 10%. Double-check your calculations.
Gaurav P.
'21. In an RC circuit; how many time constants must elapse if an initially uncharged capacitor is to reach 80% of its final potential difference? 2.2 1.9 1.6 4 3.0 5.0'
Prabhu R.
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