Which everyday device converts direct current into alternating current for household appliance use?

Which everyday device changes the voltage level of alternating current for transmission or use?

Which everyday device converts alternating current into direct current for charging electronic devices?

Which everyday device uses electromagnetic induction to convert mechanical energy into electrical energy?

Which natural phenomenon explains why a compass needle always points toward magnetic north?

Which scientific law explains how a changing magnetic field can induce an electric current in a conductor?

Which natural phenomenon produces colorful displays of light in polar regions due to solar particles interacting with the atmosphere?

Which law in physics relates voltage current and resistance in an electrical circuit?

Which optical phenomenon creates the illusion of water on a hot road surface during sunny days?

Which everyday device measures the voltage or potential difference between two points in a circuit?

Which everyday process explains why food cooks faster in a pressure cooker compared to an open pot?