Basic DC Electrical Flashcards
1
Q
Name two atomic particles in the nucleus of an atom.
A
Protons and Neutrons
2
Q
What atomic particle moves in an electric circuit?
A
Electrons
3
Q
What is the unit of measurme for resistance ?
A
Ohms
4
Q
Batteries in parallel increase what?
A
Amperage
5
Q
Batteries in series increase what?
A
Voltage
6
Q
Six methods to produce voltage
A
Friction, pressure, heat, light, chemical action, magnetism
7
Q
If resistors are in series, what does the equivalent resistance do?
A
Adds
8
Q
Parallel resistance formula
A
(R1*R2)/(R1+R2)
9
Q
If resistors are in parallel, what does the equivalent resistance do?
A
Reduces
10
Q
If you have 12V and 12 Ohm, how much current will flow through the circuit?
A
1 amp
11
Q
What is ohms law
A
Current is DIRECTLY proportional to voltage and INVERSELY proportional to resistance.
