Substitute known quantities and solve for the unknown quantity. (cont.) Solving Ohm's law for the instantaneous current gives Av (165 V)sin(50st) R R and substituting known values gives Av (165 V)sin(50xt) R R (165 V)sin [50x(4.45 x 10-³ s)] 276 Ω The unknown quantity to be determined in part (e) is the instantaneous power dissipated by the resistor when t = 4.45 x 10-³ s. The instantaneous power dissipated by the resistor is given by P = 12R. What = = 0.385 A.

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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.