Chapter 18
Introduction to Electrical Circuits Unit 17. Sources of emf The source that maintains the current in a closed circuit is called a source of emf Any.
Chapter 28 Direct Current Circuits. Direct Current When the current in a circuit has a constant direction, the current is called direct current Most of.
Chapter 25 Electric Circuits. Direct Current When the current in a circuit has a constant direction, the current is called direct current Most of the.
Chapter 25