21 A conducting is wire ing at the rate 50 loop formed eompietely l is by runnin

Question

21 A conducting is wire ing at the rate 50 loop formed eompietely l is by running a magnetic field 250 T directed inm the current induced in the loop? edge of the page. A) The induced current will move csckwise arvand the e) The induced cument will move counterclockwise around the edge of the page DiNo cument will be indaced because the loop and field do not bave the right ori A bar of oopper (black bar at the right of the page) is moving from len to right the page If there is a magnetic field directed out of the page, which side of the has AU front Bo back co top botom Eyright Folen 2.3 who's Law governs the direction of an induced EMI due to a changing magne AJ Ampere Gauss co Lena D) Maxwell volta 2.4 A wine runs along the left edge of this page If the direction of the current in th the direction of the magnetic field with respect to the middle of the page (poin AU The field will go through point 4 from the len to the right across the page nhe field will be directed into the page at point CO The field will go through point from the bottom so top of the page. D) The field will be directed out of the page at point A. E) The field will be directed diagonally through point A from the upper left elative to the page what is the direction of the force on a negative charge rouch a uniform magnetic field which is directed right to left across the t right B) left co up D) down E into the page F out of

Explanation / Answer

2.1

Using the Lenz's law, the magnetic flux through the loop should be increase into the page. according ton the Ampere's right hand rule, the induced current will be in clockwise direction.

Hence, the correct option is A.

2.2

The motional emf induces when the bar velocity of the bar is perpendicular to its length.

The top end will be positive.

2.3

Lenz

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