Electrical Grid 2 - Chapter 1 - Series and Parallel Circuits - Possible Test Questions - WEEK 7 Flashcards
Key elements that for a circuit:
- Source
- Conductor
- Load
As a source, the voltage is:
- the force that will push the electrons through the conductor
In a circuit, conductors are necessary:
- to transmit energy to the point where it will be used
A load is:
- a device that uses the electrical energy from a source to accomplish some useful purpose
What is a short circuit?
- A circuit that does not have a load, or in which the load has been bypassed.
Would a short circuit have high or low resistance?
- Low resistance
Types of basic circuits:
- Series Circuits
- Parallel Circuits
All circuits are:
- Series, parallel, or a combination of the two
Series circuits only have:
- one path for current flow
Series circuits are most commonly seen in:
- lighting applications
Parallel circuits have:
- Multiple paths for current flow
Combination circuits consist of both:
- Series and parallel circuits
Linemen should never place themselves in:
- series between two points of different potential
Anything that is connected directly across two points of different potential is:
- said to be in series
Anything that is connected in series will have current flow through it unless:
- the resistance is sufficient to prevent it
List some devices that might be connected in a series with a line.
- regulators
- reclosers
- sectionalizers
- switches
Power lines are considered combination type circuits because:
- of the equipment that is connected in series with the line; however, the layout of the circuit is predominately parallel
Customer circuits are also of the parallel type, or series type?
- Parallel type
the source for a residence:
- is the meter panel, and all of the appliances, light bulbs, and motors in the house are the loads.
Because each device connected to a parallel circuit has its own path to and from the source, a failure on one piece of equipment will:
- not affect anything else.
Voltage in Parallel Circuits:
- When working with parallel circuits, the voltage supplied by the source will be available to each device that is connected to the line.
The voltage in a parallel circuit is the same, while the current changes at:
- different points in the circuit.