Physics, 07.11.2020 02:50 miller3009

Which two actions could you take to weaken an electromagnet? A. Replace a 9V battery with a 3 V battery.
B. Decrease the length of the connecting wires in the circuit.
C. Increase the number of wraps of wire around the core.
D. Include an ammeter in the circuit.
E. Use a wooden core instead of a steel core.

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Which two actions could you take to weaken an electromagnet? A. Replace a 9V battery with a 3 V bat...