The what produces steady current a) capacitor b) battery

The device that produces steady current is Battery.

B) Battery

Explanation:

A battery produces Direct current which is a constant current as the Amplitude of the current never varies with time. It is also known as steady current.

A capacitor produces Alternating Current which varies with tIme and forms a sinusoidal wave of Current on the graph. AC reverses its direction many times a second at regular intervals.

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