answersLogoWhite

0

Yes.

Electrons always flow from the negative pole to the positive pole. In a Direct current(DC) circuit, one pole is always negative, the other pole is always positive and the electrons flow in one direction only. In an alternating Current (AC) circuit the two poles alternate between negative and positive and the direction of the electron flow continually reverses.

In DC circuits (e.g. for a battery) positive is usually marked red and negative is usually marked black, but other color schemes are very common in automotive and telecommunications systems.

In AC systems which are at no point connected to earth (unlike domestic mains wiring where the neutral is commonly earthed at substations and generators) polarity is not important as the two wires alternate polarity many times per second.

User Avatar

Wiki User

13y ago

What else can I help you with?

Continue Learning about Math & Arithmetic

What does negative polarity mean with electricity?

Polarity is the direction of flow of electrons throughout a circuit. There are two types of polarity: positive and negative. Postive polarity is of older circuits which means electrons flow from positive to negative. Negative polarity is of more modern circuits and that is the flow of electrons from negative to positive such as on car batteries


Do ac capacitor have positive and negative polarity?

both


How do you determine if the potential difference across each component and is positive or negative?

To determine if the potential difference across a component is positive or negative, you can analyze the direction of current flow and the polarity of the voltage source. If the current enters the positive terminal of the component and exits the negative terminal, the potential difference is positive. Conversely, if the current enters the negative terminal and exits the positive terminal, the potential difference is negative. Using a multimeter to measure voltage can also provide a direct reading of the potential difference and its polarity.


What are the 2 ways to find out which is the positive leg and which is negative - led?

On an LED, one leg will be shorter than the other. The shorter leg is the negative polarity.


Is the black wire on a lamp connection plus or minus?

The color of the wire does not indicate its polarity. In electrical systems, the polarity is typically designated as positive (+) and negative (-) rather than plus or minus. To determine which wire is positive or negative on a lamp connection, you would need to consult the manufacturer's instructions or use a multimeter to check the voltage.

Related Questions

What are two examples of polarity?

-- negative polarity -- positive polarity


What does negative polarity mean with electricity?

Polarity is the direction of flow of electrons throughout a circuit. There are two types of polarity: positive and negative. Postive polarity is of older circuits which means electrons flow from positive to negative. Negative polarity is of more modern circuits and that is the flow of electrons from negative to positive such as on car batteries


Differentiate between the terms reversed polarity and normal polarity?

Normal polarity is for the power to normally go from positive to negative, reverse polartity is to change the positive to a negative and the negative to a positive so the power goes the other way.


What are the different types of polarity questions?

Polarity questions can be categorized into positive polarity questions, which expect an affirmative response, and negative polarity questions, which expect a negative response. Positive polarity questions typically start with words like "Do," "Can," "Will," etc., while negative polarity questions usually start with words like "Don't," "Can't," "Won't," etc. These types of questions are important in linguistics and can impact the structure and interpretation of sentences.


Do transisors have polarity?

Basic transistors have three lead contacts that do have polarity . There are two kinds referred to as P-N-P (for positive-negative-positive leads) and N-P-N (for negative-positive-negative leads).


Do ac capacitor have positive and negative polarity?

both


What is the definition for polarity?

Polarity refers to the positive or negative charge of a molecule or its parts. In chemistry, it describes the separation of charge in a molecule that has areas of differing electronegativity. A polar molecule has a positive end and a negative end.


How do you use the word polarity in a sentence?

The polarity of both ends of a magnet is different. The positive and negative polarity exist for a magnet.


What is mean polar?

What is meant by polarity? Answer An electric charge has a polarity of either positive or negative. Also a voltage has a polarity, in that it could be positive or negative, with respect to some other voltage, such as the one at the other end of a battery or electric circuit.


What current has negative and positive polarity?

Alternating current (AC) has both negative and positive polarity as it periodically reverses direction. In AC systems, the voltage oscillates between positive and negative values, which allows electricity to be transmitted efficiently over long distances. This is in contrast to direct current (DC), which flows in only one direction and maintains a constant polarity.


What is the difference between a positive limiter and a negative limiter?

The polarity at which it limits a waveform.


The inherent quality or condition in a body that exhibits the properties of positive and negative?

Polarity