It takes 7.07 ms for the current in an rl circuit to increase from 0 to reach 75.0 percent of its maximum value. determine the time constant of the circuit in ms : i

prolly a beacuse the momentuem the car has increases while going down hill

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

i'm on my way to history not a mistory.