Define power and describe how to determine power. (4 points)

What should the power status of a circuit be when measuring resistance with an ohmmeter?

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3