The three main effects of electric current are:
- Heating Effect: When electric current flows through a conductor (like a wire), it causes the conductor to heat up. This is because the electrons in the current collide with the atoms in the conductor, transferring energy in the form of heat. This effect is used in devices like electric heaters, toasters, and light bulbs.
- Magnetic Effect: An electric current creates a magnetic field around the conductor. The strength of the magnetic field depends on the amount of current and the distance from the conductor. This effect is the basis for electromagnets and is used in devices like motors and transformers.
- Chemical Effect: When an electric current flows through a solution (usually an electrolyte), it can cause chemical reactions at the electrodes. This is the principle behind electrolysis, which is used in processes like plating metals and separating water into hydrogen and oxygen.
These effects show how electric current can be used in various practical applications!