Task: Question Answering
Input (English): Process:  -A conducting metal, like copper, is wrapped around a piece of metal -An electrical source, like a battery, produces an electrical current -The electrical current flows through the wire -The electrical current creates a magnetic field around the wire, magnetizing the metal -The magnetic field can be turned on and off by starting or stopping the electricity source -
 Question: What is the effect of needing smaller electromagnet on weaker magnetic field.?
Output (English): for