4. A 600 W electric heater works with a current of 20 A. The resistance of the heater is: a. 30 ohms b.12 kohm c.25 ohms
Posted: Sun May 22, 2022 8:11 am
4. A 600 W electric heater works with a current of 20 A. The resistance of the heater is: a. 30 ohms b.12 kohm c.25 ohms d.1.5 ohms 5. Of Maxwell's equations, two of them contain an integral over a closed surface. In those cases, the area of the infinitesimal vector dA is always perpendicular to the surface and pointing out. a. Real bIFalse