You are looking for a deep spot to take a swim in a local river. The width of the river is about the same all along its length, but there are places where the water flows quickly and places where it flows slowly. What would be better choice for a swim?

the device is called “ rocket engine”

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