If a 9.0-volt battery is placed across a 5.0-ohm resistance, the current will be amperes.

since you're a real machine, your ama is always less than your ima, because you can never totally eliminate friction.

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

adding a(n) to an electric circuit would increase the magnetic field around a wire;

b. solenoid

a solenoid is a type of electromagnet whose purpose is to generate a controlled magnetic field.

if the purpose of the solenoid is instead to impede changes in the electric current, a solenoid can be more specifically classified as an inductor rather than an electromagnet.

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