Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

Explanation :

A coil suspended freely, points in some direction when no current is passed through it.

On the application of current through the coil, a magnetic field would generate. The current can be detected using a compass which points in the direction of the magnetic field.  

Also, the direction of the magnetic field is given by Fleming's left-hand rule.

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the word that best describes martin luther king jr.'s tone in the video is dignified

martin luther king, jr. was a social activist and baptist minister who played a key role in the american civil rights movement from the mid-1950s until his assassination in 1968. the video shows his manner and attitude having or showing a composed or serious manner that is worthy of respect so dignified is the correct answer