Definition

1. Noun:
   • The pole of a magnet that points toward the north when the magnet is suspended freely: This is the magnetic north-seeking pole of a magnet. By convention, it is the pole from which magnetic field lines emerge.
   • The terminal of a battery that is connected to the positive plate: This is the electrical terminal with a deficit of electrons, representing a higher electrical potential. In a standard circuit, conventional current is considered to flow from this terminal.

Usage Examples

• Noun (Magnetic Context):

  • The compass needle's positive pole is attracted to the Earth's magnetic south.
  • When two magnets are brought close, the positive pole of one repels the positive pole of the other.

• Noun (Electrical Context):

  • Connect the red wire to the battery's positive pole.
  • A voltage reading is taken between the positive pole and the negative pole.

Advanced Usage

• In electromagnetism: The concept of a "positive pole" is fundamental. In an electromagnet, the positive pole is determined by the direction of the electric current flow, as described by the right-hand rule.
• In electrochemistry: Within a battery cell, the positive pole (cathode in discharge) is where reduction occurs, attracting anions.

Variants and Related Words

• Anode: (In a device power, like a battery being discharged, the anode is the negative pole. This is a common point of confusion, showing the importance of context.)
• Cathode: (In a device power, like a battery being discharged, the cathode is the positive pole.)
• North-seeking pole: A more descriptive synonym for the magnetic definition.
• Positive terminal: A common synonym for the electrical definition.

Synonyms

• North pole (of a magnet): Specifically for the magnetic context.
• Positive terminal: Specifically for the electrical context.
• Plus terminal: A more informal term for the electrical context.

Related Phrases

• Positive charge: While not the same, the positive pole is associated with a region of positive charge or higher potential.
• Polarity: The property of having two opposite poles, such as positive and negative.

Notes on Usage

• The term "positive pole" is context-dependent. It is crucial to specify whether you are discussing magnetism or electricity for absolute clarity, as the underlying physical principles differ.
• In common parlance for electrical devices, "positive terminal" is often preferred over "positive pole" to avoid ambiguity with magnetism.

Noun

1. the pole of a magnet that points toward the north when the magnet is suspended freely
2. the terminal of a battery that is connected to the positive plate