1. III. Producing Electric Current
Ch Magnetism
III. Producing Electric Current
(p )
Electromagnetic Induction
Electric Generator
DC & AC
Transformer 1

2. A. Electromagnetic Induction
producing a current by moving a wire through a magnetic field
Dynamic Microphone
Coil

3. B. Electric Generator Electric Generator
mechanical energy  electrical energy
a device that produces electric current by rotating a coil of wire in a magnetic field
GENERATOR
MOTOR

4. C. DC & AC Direct Current (DC) current flows in one direction
dry cells
Alternating Current (AC)
current reverses its direction at regular intervals
electrical outlets

5. D. Transformer Transformer
increases or decreases Alternating Current voltage

6. D. Transformer Step-up Transformer Step-down Transformer
increases the voltage
more turns
power plants
Step-down Transformer
decreases the voltage
fewer turns
household appliances (hairdryers, etc.)