What is a solenoid?
A. A device that stores electrical energy
B. A device that amplifies or switches electrical signals
C. A device that converts DC to AC
D. A device that produces a magnetic field when electrical current flows through it
Answer:D
What is a solenoid?
A. A device that stores electrical energy B. A device that amplifies or switches electrical signals C. A device that converts DC to AC D. A device that produces a magnetic field when electrical current flows through it