Example of electrical to mechanical

an example of electrical energy becoming mechanical energy is a power drill being plugged in and used.

Explanation:

electrical energy is the energy that is used to turn on a light when you flip a light switch, or press a button to turn on your computer, whereas mechanical energy is the energy used to use a machine such as a drill, or a train engine.

Plugging in the power drill is the electrical energy part, and the drill spinning is the mechanical energy part.

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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