The following figure is the schematic of the LED box in operation in this experiment. The capacitor in the LED box is 1,374μF, and the two resistors are R1=4k and R2=4.3k respectively. Please determine the time constant of the charging circuit in unit of second. (Hint: refer to the Timing Circuit section in the lab manual)

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Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.