Answer:
4 Ohms
Explanation:
Apply the formula:
Voltage = I (current) . Resistance
You can change it the way you want to use for your purpose.
In this case...
R = V/I
R = 12/3
R = 4 Ohms (Ohm is the unit of measurement of eletrical resistance)
Question 18: a
question 19: b
question 20: c
The layer of electrically charged molecules and atoms which spans 40-250 miles above ground called ionosphere causes the display of the aurora and the reflection of radio waves back to earth.
Answer:
Kinetic energy
Kinetic energy is the motion of waves, electrons, atoms, molecules, substances, and objects.
Answer:
all of the above
Explanation:
they all require speed to beat