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Q: How does the strength of an electromagnet depend on the current and the number of turns in the coil?
A: The magnetic field strength of an electromagnet is its magnetic flux density. [ The unit of measurement for a magnetic field is the tesla, designated by a "T." One T represents a very powerful magnet, so the measurement breaks down into militesla and microtesla. According to the Green Facts website, common measurements include the inside of an electric train up to 0.002 T or 2 militesla,
or mT. Another example would be a MRI scanner used for diagnostic testing measuring 0.2 to 3 T. Electrical Current The strength of an electromagnet directly relates to the amount of current flowing through its wire. According to the Department of Physics at the University of Illinois at Urbana-Champaign, the amount of current should not be confused with the source of the current. The question addressed by the Department of Physics involves adding more batteries to produce more current and thus increase the strength of the electromagnet. Because the amount of current is limited by the electrical resistance, more batteries will not increase the strength unless they are added in series to increase the voltage and thus the electric current. Read more: Strengths of an Electromagnet | eHow.com ]
Original conversation
User: How does the strength of an electromagnet depend on the current and the number of turns in the coil?

Weegy: The magnetic field strength of an electromagnet is its magnetic flux density. [ The unit of measurement for a magnetic field is the tesla, designated by a "T." One T represents a very powerful magnet, so the measurement breaks down into militesla and microtesla. According to the Green Facts website, common measurements include the inside of an electric train up to 0.002 T or 2 militesla, or mT. Another example would be a MRI scanner used for diagnostic testing measuring 0.2 to 3 T. Electrical Current The strength of an electromagnet directly relates to the amount of current flowing through its wire. According to the Department of Physics at the University of Illinois at Urbana-Champaign, the amount of current should not be confused with the source of the current. The question addressed by the Department of Physics involves adding more batteries to produce more current and thus increase the strength of the electromagnet. Because the amount of current is limited by the electrical resistance, more batteries will not increase the strength unless they are added in series to increase the voltage and thus the electric current. Read more: Strengths of an Electromagnet | eHow.com ]
tinkermei|Points 1166|

User: how does the strength of and electromagnet depend on the current and the number of turns in the coil

Weegy: The magnetic field strength of an electromagnet is its magnetic flux density. [ The unit of measurement for a magnetic field is the tesla, designated by a "T." One T represents a very powerful magnet, so the measurement breaks down into militesla and microtesla. According to the Green Facts website, common measurements include the inside of an electric train up to 0.002 T or 2 militesla, or mT. Another example would be a MRI scanner used for diagnostic testing measuring 0.2 to 3 T. Electrical Current The strength of an electromagnet directly relates to the amount of current flowing through its wire. According to the Department of Physics at the University of Illinois at Urbana-Champaign, the amount of current should not be confused with the source of the current. The question addressed by the Department of Physics involves adding more batteries to produce more current and thus increase the strength of the electromagnet. Because the amount of current is limited by the electrical resistance, more batteries will not increase the strength unless they are added in series to increase the voltage and thus the electric current. Read more: Strengths of an Electromagnet | eHow.com ]
tinkermei|Points 1166|

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