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A student builds an electromagnet

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  1. A student builds an electromagnet using a variable power source and 40 turns of wire. The electromagnet is used to pick up metal
    1. answers icon 1 answer
    2. e asked by e
    3. views icon 44 views
  2. A student builds an electromagnet using a variable power source and 40 turns of wire. The electromagnet is used to pick up metal
    1. answers icon 1 answer
    2. A asked by A
    3. views icon 215 views
  3. A student builds an electromagnet using a battery, an iron nail. and some insulated wire. The wire is wrapped around the nail 50
    1. answers icon 1 answer
    2. views icon 84 views
  4. A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
    1. answers icon 1 answer
    2. ues asked by ues
    3. views icon 4 views
  5. A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
    1. answers icon 1 answer
    2. views icon 4 views
  6. A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
    1. answers icon 7 answers
    2. AYDXN asked by AYDXN
    3. views icon 7 views
  7. A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
    1. answers icon 3 answers
    2. views icon 20 views
  8. A student builds different electromagnets using a 9 volt battery connected to an iron nail and with coils wrapped around it.
    1. answers icon 1 answer
    2. views icon 24 views
  9. A student built a simple electromagnet with copper wire, an iron bolt, and a 1,5-volt battery. The electromagnet was able to
    1. answers icon 1 answer
    2. views icon 65 views
  10. A student built a simple electromagnet with copper wire, an iron bolt, and a 1.5-volt battery. The electromagnet was able to
    1. answers icon 2 answers
    2. mimi asked by mimi
    3. views icon 97 views