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28 April, 21:46

Which of the following will increase the strength of a copper electromagnet?

O

A. Decreasing the current

O

B. Pulsing the current

O

C. Using aluminum instead o

O

D. Wrapping the copper wire around an iron nail

O

E. Adding more loops to the wire

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Answers (2)
  1. 28 April, 22:01
    0
    (D) wrapping the copper wire around an iron nail or

    (E) adding more loops to the wire

    Explanation:

    According to Ampere's Law, the magnetic field around a current-carrying wire is directly proportional to the strength of the current. In other words, increase in the current strength, increases the magnetic field.

    Increasing the strength of a copper electromagnet, can also be done by wrapping wire that has an electrical current running through it around a nail. The more wire you wrap around the nail, the stronger your electromagnet will be.

    Magnetic fields are produced by electric currents; a simple segment of current-carrying wire will generate around it, a circular magnetic field in accordance with the right hand rule. By adding more loops to a coil, you create an increasingly stronger magnetic field.

    Therefore, wrapping the copper wire around an iron nail or adding more loops to the wire , will increase the strength of a copper electromagnet
  2. 28 April, 22:03
    0
    Answer:D & E are your answers just took the quiz in APEX
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