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ASSESSMENT: Write TRUE if the statement is correct. Otherwise, change the underlined word(s) to make the statement correct.
1. Coulomb's law follows an inverse square law.
2. Franklin proved that lightning is an electrical phenomenon that can be stored as energy.
3. According to Maxwell, magnetic field can arise from changing electric field or electric current.
4. Franklin named the positive charge as vitreous electricity.
5. The study of the interaction of electric and magnetic fields refers to electromagnetism.
Choose the best answer. Letter only.
6. Who investigated the interaction of electrical charges using a torsion balance? a. Coulomb b. Faraday c. Franklin d. Maxwell
7. Who discovered radio waves? a. Coulomb b. Faraday c. Franklin d. Maxwell
8. Who proved that lightning is an electrical phenomenon? a. Coulomb b. Faraday c. Franklin d. Maxwell
9._confirmed the existence electromagnetic waves, which are predicted by Maxwell. a. Albert Einstein b. Heinrich Hertz c. Louis De Broglie d. Max Planck
10. Which is the contribution of Faraday to electromagnetism? a. Current in a wire produces magnetic field. b. Induced voltage is due to the change in magnetic flux. c. The concepts of electromagnetism are summarized into four equations. d. TWO current-Carrying wires may repel/attract reach other depending on the direction of the current relative to the other.
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