DC Electricity Flashcards
What is the definition of electricity?
The flow of electrons through simple materials and devices.
Which direction do electrons flow?
From negative to positive.
What is the definition of current related to DC electricity?
The flow of electrons through a conductor. Work. Imps.
What is the definition of voltage?
The potential difference between positive and negative. Push or force. Volts.
What is the definition of resistance?
Opposition to current flow. Ohms
What does a capacitor do?
It stores electrons.
Name three ways a collapsing circuit can function.
Battery dies, cut the wrong wire or anti disturbance.
How are the contacts in a relay moved?
By an electromagnet, electromagnetism, or energizing or D energizing a field.
Batteries in series add?
Voltage.
Batteries in parallel ad?
Amperage.
Batteries in series parallel add?
Voltage and amperage.
What are the six methods of producing voltage?
Friction, pressure, heat, light, chemical action, and magnetism.
In a series circuit _______ is constant and ______ changes at each load.
Current, voltage.
Explain the voltage in a parallel circuit?
Voltage is constant. Amps split to each load.
