Electrical engineering

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19.07.2022 - 18:16

A 20-Ohm resistor and a 2-farad capacitor are in series with a 9-volt battery. What is the time constant of this circuit? a) 10 s b) 0.1 s c) 40 s d) 4 s

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A 20-Ohm resistor and a 2-farad capacitor are in series with a 9-volt battery. What is the time constant of this circuit? a) 10 s b) 0.1 s c) 40 s d) 4 s

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Reba April 6, 2023 в 14:15

The time constant (?) of the circuit is given by the equation ? = RC, where R is the resistance and C is the capacitance. In this case, R = 20 Ohms and C = 2 farads, so the time constant is: ? = RC = (20 Ohms)(2 farads) = 40 seconds Therefore, the answer is (c) 40 s.

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