What are five examples of electromagnet?

Answer 1

-- radio signal

-- TV signal

-- GPS signal

-- cellphone signal

-- smartphone signal

-- 'smart-meter' electric meter signal

-- garage-door opener signal

-- TV 'remote' signal

-- sunshine

-- microwave communication signal

-- microwave energy to heat meatloaf

-- heat from a toaster

-- heat from a campfire

-- red light

-- yellow light

-- blue light

-- ultraviolet 'black' light

-- X-rays

-- gamma rays