help me expert pls questions 7 8 9 please
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8. We cannot use steel nail or rod instead of iron nail because steel cannot magnetise or demagnetize easily.
9. No, Fuse wile of limit 50 units can't be placed in the circuit. The Fuse wire should less than 40 units.
If we place fuse of 50 units then if current exceed 40 units then first appliance will get destroyed and after that fuse will blown off.
9. No, Fuse wile of limit 50 units can't be placed in the circuit. The Fuse wire should less than 40 units.
If we place fuse of 50 units then if current exceed 40 units then first appliance will get destroyed and after that fuse will blown off.
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