היכנס
Physics for IGCSE & O level - Magnets And Currents (Section 11 - No. 34)
In which way is a solenoid different from a simple wire?
It is made of metal.
It is a coil of wire.
It is weaker.
It is an insulator.
הֶסבֵּר
A solenoid is a coil of wire.
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