Electromagnetism
Cards (19)
- What phenomenon do electric currents produce?
- How do electric currents affect magnetic fields?
- What happens to the magnetic field when current flows through a wire?
- Where is the magnetic field strongest around a wire?
- What rule helps determine the direction of the magnetic field?
- How do you use the right hand rule for current flowing upwards?
- What happens to the magnetic field if the current direction is reversed?
- How does a flat circular coil affect magnetic fields compared to two separate wires?
- What is a solenoid?
- How does the magnetic field within a solenoid compare to that of a bar magnet?
- What is an electromagnet?
- What happens to an electromagnet when the current is turned off?
- How can you reverse the direction of an electromagnet's magnetic field?
- What are the four ways to increase an electromagnet's strength?
- What is the effect of adding an iron core to a solenoid?
- What type of material is iron in the context of electromagnets?
- What happens to the induced magnetism of iron when the current is turned off?
- What are the key characteristics of electromagnets?
- What are the steps to increase the strength of an electromagnet?