9. When an unmagnetised soft iron is brought inside a uniform magnetic field, it :
(5) Does not conduct electricity (8) Destroys the magnetic field
(ಲ) Develops N and S poles (D) None of these
10. The point angle of centre punch is )
(മ) 90 (B 60 © 30 (D) 120°
11, Cells are connected in series 10 .
(5) Increase the current rating (8) Increase the voltage rating
(C) Decrease the internal resistance (D) All of the above
12, The pitch diameter of....
See more