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Physics, 14.10.2019 06:50 catherine51
The electromagnet shown below is made up of a coil of electrical wire wrapped around an iron core.
which of the following would decrease the strength of this electromagnet?
a adding batteries to the circuit
b removing its iron core
c increasing the current through the coil
d increasing the number of wire loops in the coil
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The electromagnet shown below is made up of a coil of electrical wire wrapped around an iron core.
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