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Iron is good for creating solenoids because its _(blank)_ and _(blank)_ allow it to be magnetized and
demagnetized quickly.
high susceptibility; high retentivity
high susceptibility; low retentivity
low susceptibility; high retentivity
a
low susceptibility; low retentivity
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Iron is good for creating solenoids because its _(blank)_ and _(blank)_ allow it to be magnetized an...
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