Question

17. Case Study based-1 : Painting Activity:
In a class activity Sheena done a block painting on a square handkerchief as shown in figure. She made
nine designer circles each of radius 7 cm.
(a) What is the area of nine circles?
(i) 154 cm2
(il) 145 cm
(iii) 1386 cm2
(iv) 1836 cm
(b) What is the side of the square?
(1) 22 cm
(11) 44 cm
(iii) 24 cm
(lv) 42 cm
(c) What is the area of square?
(1) 1764 cm2
(II) 1674 cm?
(lit) 1476 cm2
(Iv) 1746 cm?
(d) What is the area of remaining portion of square?
(1) 837 cm2
(11) 378 cm
(iii) 738 cm2
(lv) 383 cm?
(e) The given problem is based on which mathematical concept
(1) Areas Related to circles
(II) Circles
(ili) Construction
(iv) none of these​

Answer 1

Answer:

There are various types of losses in the transformer such as iron loss, copper loss, hysteresis loss, eddy current loss, stray loss, and dielectric loss