# 1Multiple ChoiceProved the existence of radio waves through his experimentsHeinrich Hertz(1887)Albert Einstein (1905Hans Christian oersted(1820)
# 2Multiple ChoiceFormulated the concept of photoelectric effect. He was awarded the 1921 Nobel prize in physics for the discovery of this lawHeinrich Hertz(1887)Albert Einstein (1905William Gilbert (1603)
# 3Multiple ChoiceDiscovered that the earth was magnetic and electricity and magnetism is not the same.William Gilbert (1603)Charles Augustin de Coulomb(1785)Hans Christian oersted(1820)
# 4Multiple Choicedescribed how electric charges and currents act as sources of electric and magnetic fields. Naka himo siya ug formula's James clerk(1861)Joseph Henry(1831)Wilhelm Eduard Weber(1856)
# 5Multiple ChoiceHe discovered that electricity can produce magnetism.Hans Christian oersted(1820)Albert Einstein (1905William Gilbert (1603)
# 6Multiple ChoiceHe discovered the coulomb's law and electrostatic force of attraction and repulsionCharles Augustin de Coulomb Joseph Henry(1831)Hans Christian oersted(1820)
# 7Multiple Choicegreat American scientist and he discovered the electromagnetic induction.Joseph Henry(1831)Albert Einstein (1905Wilhelm Eduard Weber(1856)
# 8Multiple ChoiceEnglish scientist who studies electromagnetism and electrochemistry.Michael FaradayJoseph Henry(1831)Hans Christian oersted(1820)
# 9Multiple ChoiceHe discovered the electrostatic to electromagnetic units equals the value of the speed of light, leading to the conjuncture that light is an em wave.Wilhelm Eduard Weber(1856)Hans Christian oersted William Gilbert (1603)