Q16Short answer
Boojho made an electromagnet by winding 50 turns of wire over an iron screw. Paheli also made an electromagnet by winding 100 turns over a similar iron screw. Which electro magnet will attract more pins? Give reason.
Show answer
Paheli’s electomagnet will attract more pins as it has more number of turns of wire on it and thus a stronger electromagnet. ANSWERS 129 LONG ANSWER QUESTIONS