(_ 4th Quarter Assessment 3 docsgooglecom 000 Which of the statements is true when there is change in * 2 points magnetic field in a closed loop of wire. 0 A. There is no current induced in the wire 0 B. The induced current is free to move in any direction of the wire 0 C. Electromotive force is induced in the wire 0 D. All of these Which of these undergoes total internal reflection? * 2 points 0 A. Gold 0 B. Diamond 0 (3. Silver 0 D. Platinum When the speed of the magnet decreases as it moves * 2 points towards a coil. the magnitude of the induced current also 0 A. increases 0 B. zero 0 C. decreases O D. no change (_ 4th Quarter Assessment 3 docsgooglecom 000 The distance that a signal's energy can travel in the time it * 2 points takes for one cycle to occur is called the signal's: O A. Amplitude O B. Frequency 0 C. Wavelength O D. Period One oscilloscope selector knob that allows the major and * 2 points minor divisions of the graticule to be used to determine a signal amplitude value is called the: O A.Timefcm Control 0 B. Position Control 0 C. Intensity control 0 D. Voltsxcm control When the angle of incidence is greater than the critical * 2 points angle. the incident ray is reflected back to the medium, this phenomenon is known as? O A. Total internal reflection O B. Diffraction O C. Refraction \" O D. None of the above (_ 4th Quarter Assessment 3 clocsgooglecom 000 The phenomenon which occurs when the light rays travel * 2 points from a more optically denser medium to a less optically denser medium. 0 A. refraction O B. interference O C. polarization 0 D. total internal reflection What voltage will an ac voltmeter display? * 2 points 0 D. PeaktoPeak Optical fibers are used in * 2 points 0 D. None of the above