Why is the candle flame straight?

The self-inductance of a straight conductor is

Consider the curve y = x^(2) and the straight line y = 2x + 3 . (i) Find the points of intersection of the given curve and the straight line. (ii) Find the area of the region bounded by the given curve and the straight line.

Write a note on flame.

A small candle 2.5 cm in size is placed at 27 cm in front of a concave mirror of radius of corvature 36 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Describe the nature and size of the image. If the candle is moved closer to the mirror, how would the screen have to be moved ?

A straight line with slope 3 intersects a straight line with slope 6 at the point (30,40). Then the difference between the y-intercepts of the straight lines is