How many minutes will it take a car to go from a stop to 45 km/hr if it
accelerates at 5 km/hr

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

The voltage applied across a given parallel-plate capacitor is doubled. how is the energy stored in the capacitor affected?

Which of the following is a transformer used for? alternate a voltage produce a voltage increase or decrease a voltage eliminate a voltage