What is one time constant in an integrating circuit if a 10 $\mathrm { k } \Omega$ resistor is in series with a 470 $\mu \mathrm { F }$ capacitor?
A) 0.47 ms
B) 4.7 s
C) 0.47 $\mu S$
D) 0.047 $\mu S$

Question

What is one time constant in an integrating circuit if a 10 $\mathrm { k } \Omega$ resistor is in series with a 470 $\mu \mathrm { F }$ capacitor?
A)  0.47 ms
B)  4.7 s
C)  0.47  $\mu S$
D)  0.047 $\mu S$

Quizplus · Accepted Answer

The time constant of an integrating circuit is given by the product of the resistance and the capacitance. So, the time constant in this circuit is:

$$\text{Time constant} = R \times C = 10 \mathrm{k}\Omega \times 470 \mu \mathrm{F} = 4.7\mathrm{s}$$

Therefore, the best choice is B.

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