Three balls were measured and placed in a liquid. based on the following data, what could be the density of the liquid?

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

Your town is considering building a biodiesel power plant describe at least two advantages and two disadvantages

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.