According to the Biot-Savart law, how does the strength of the magnetic field change with distance away from a current-carrying wire? increases with distance false decreases with distance true remains constant with distance false zero regardless of distance false Single The phenomenon wherein changing the direction of magnetic field can produce electric current is called? triboelectric effect false magnetic induction true dielectric polarization false alternating current false Single What quantity does a galvanometer measure? resistance false current true voltage false charge false Single The SI unit of magnetic flux was named after? Carl Friedrich Gauss false Michael Faraday false Nikola Tesla false Wilhelm Eduard Weber true Single Who was the first person to discover that the induced current tends to move in the direction opposite to that of the agent that produced it? Ewan von Kleist false Carl Friedrich Gauss false James Clerk Maxwell false Heinrich Lenz true Single How many equations comprise the so-called "Maxwell's equations"? 3 false 4 true 5 false 6 false Single What did Rudolf Hertz verify? Light is a type of electromagnetic wave true Lightning produces radio waves false Magnetism can produce electricity false Electricity can produce light waves false Single Which of the following electromagnetic waves has the longest wavelength? yellow visible light false x-rays false microwaves true ultraviolet false Single Which of the following radio frequencies indicate a station that broadcasts FM radio? 560 kHz false 1300 kHz false 92.1 MHz true 150 MHz false Single What is the oldest and longest-running radio station in the Philippines? DZRH true DZBB false DZMM false DZUP false Single