A. weaker
B. stronger
C. metallic pins and nails
D. copper
E. Batteries
11. These are portable electric supply but it
cannot last long.
12. These wires are commonly used in electric
cables because it is one of the best conductors of
electricity and great insulation of heat. Its flexibility
13. Magnetic materials are those that can be
attracted by a magnet only and those that are made
of iron, steel, nickel and cobalt.
14. The more number of turn of wire, the
the magnetic field it produces
15. The lesser number of turn of wire, the
the magnetic field it produces
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Answer:
I need points sorry for not answering the questions
Explanation:
sorry