Determine the self-inductance of a toroidal coil of N turns of wire wound on an air frame with mean radius r and a circular

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

When does your body conduct current more readily?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87