7. A current can be induced in a coil by a. moving one end of a bar magnet across the coil. b. moving the coil towards o
Posted: Sun May 22, 2022 8:18 am
7. A current can be induced in a coil by a. moving one end of a bar magnet across the coil. b. moving the coil towards one end of the bar magnet. c. holding the coil close to a second coil while the electrical current in the second coil increases. d. All of the above. 8. Radio waves of 300 m wavelength have a frequency of: a.500kHz b.108kHz c.1 MHz d. 100kHz I 9. If the maximum E component of an electromagnetic wave is 600 V/m, what is the maximum B component? a.2.0x10-6T b.1.8x10-27 c.1.4T d. 1.0x10-31