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Subject :NSO    Class : Class 10

An electric current runs counterclockwise in a rectangular loop around the outside edge of the page which lies flat on your table. A uniform magnetic field is then turned on, directed parallel to the page from the top to bottom. The magnetic force on the page will cause

(a) The left edge to lift up
(b) The right edge to lift up
(c) The top edge to lift up
(d) The bottom edge to lift up.

Ans 1: (Master Answer)

Class : Class 1
Here, the answer is (d). The right hand rule can be used to determine the direction of the force on a current-carrying wire placed in an external magnetic field.

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