Two parallel wires each carry current I in the directions as shown. Which of the
ID: 1609878 • Letter: T
Question
Two parallel wires each carry current I in the directions as shown. Which of the following is a true statement? A) The two wires are attracted to each other. B) The two wires are unaffected by each other. c) The magnetic fields generated by the currents cancel every where surrounding the two wired. D) The two wires repel each other. E) The net magnetic field due to the two wires is uniform everywhere. A conducting loop is formed by running a wire completely around the edge of this page. A uniform magnetic field directed out of the page is increasing at the rate of 2.5 T/s. What is the direction of the current induced in the loop? A) The induced current will move counterclockwise around the edge of the page. B) The induced current will alternate between clockwise and counterclockwise C) The induced current will move clockwise around the edge of the page. D) No current will be induced because the loop and field do not have the right orientation. What is James Clark MaExplanation / Answer
6)D
7)C
Use lenz law.Since magnetic field increasing out of page ,induced magnetic field due to lenz law will be inside page and hence clockwise current induced.
8)A
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