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A student builds an electromagnet

A student builds an electromagnet using a variable power source and 40 turns of wire. The electromagnet is used to pick up metal
1. 1 answer
2. asked by e
3. 59 views
A student builds an electromagnet using a variable power source and 40 turns of wire. The electromagnet is used to pick up metal
1. 1 answer
2. asked by A
3. 224 views
A student builds an electromagnet using a battery, an iron nail. and some insulated wire. The wire is wrapped around the nail 50
1. 1 answer
2. 111 views
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
1. 1 answer
2. asked by ues
3. 24 views
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
1. 1 answer
2. 20 views
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
1. 7 answers
2. asked by AYDXN
3. 28 views
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
1. 3 answers
2. 38 views
A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
1. 1 answer
2. 41 views
A student built a simple electromagnet with copper wire, an iron bolt, and a 1,5-volt battery. The electromagnet was able to
1. 1 answer
2. 84 views
A student built a simple electromagnet with copper wire, an iron bolt, and a 1.5-volt battery. The electromagnet was able to
1. 2 answers
2. asked by mimi
3. 113 views