a closed circuit

USAGE SUMMARY

The phrase "a closed circuit" is correct and usable in written English.
It can be used in contexts related to electronics, electrical engineering, or discussions about systems that are complete and self-contained. Example: "In order for the device to function properly, it must be connected to a closed circuit."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

27 human-written examples

"It's just money in a closed circuit".

The New York Times

This is starting to feel like a closed circuit.

The Guardian - Film

A closed- circuit air-cooling system provided clean, low-humidity cooling air to the machine.

Princeton University

A closed circuit of straight rhyming lines, the chorus is the biggest culprit in this deception.

The Guardian - Music

Writers have often come to me before, but too often their propositions were a closed circuit.

The Guardian

His nervous system would form a closed circuit with the robot.

The New Yorker

Human-verified similar examples from authoritative sources

Similar Expressions

33 human-written examples

Microcirculatory images were recorded and saved on DVDs within a closed circuit TV system.

BMC Geriatrics

A closed-circuit TV monitored the mosque across the street.

The New York Times - Magazine

His first television appearance was in 1929 - a closed-circuit experiment with a 10-strong audience.

The Guardian

It was from a closed-circuit television system, not a closed-caption one.

The New York Times

Some 285 others will watch McVeigh die via a closed-circuit video broadcast in Oklahoma City.

The New York Times - Magazine

Expert writing Tips

Best practice

When describing technical systems, ensure that using "a closed circuit" accurately reflects the system's properties. If the system interacts with external elements, consider alternative terms like 'open circuit' or 'network'.

Common error

Avoid using "a closed circuit" metaphorically when the context requires a more nuanced description of interaction or openness. If the system has significant external inputs or outputs, using "a closed circuit" might be misleading.

Linguistic Context

The phrase "a closed circuit" functions primarily as a noun phrase, identifying a specific type of electrical or systemic arrangement. As confirmed by Ludwig, it describes a complete and uninterrupted path.

Expression frequency: Very common

Frequent in

News & Media

33%

Science

33%

Formal & Business

11%

Less common in

Wiki

7%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a closed circuit" is a widely used term that describes a complete and uninterrupted pathway, often for electrical current or other forms of energy or information. Ludwig AI confirms its grammatical correctness and broad applicability across different fields. While primarily technical, its metaphorical use extends to describe self-contained systems or situations. When using this phrase, it's essential to ensure the context accurately reflects the system's closed nature, avoiding its application to open or significantly interactive systems. Common sources include the New York Times, The Guardian, Forbes and BBC.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a complete circuit

Emphasizes the completeness of the circuit, crucial for functionality.

a full circuit

Similar to 'complete circuit', stressing the entirety of the electrical path.

a closed loop

Highlights the cyclical nature of the system, especially in control systems.

a self-contained system

Focuses on the independence and isolation of the system.

an isolated system

Stresses the lack of external influence on the system.

a sealed system

Implies that the system is physically closed off from its surroundings.

a contained environment

Highlights the environmental aspect of being enclosed.

a controlled environment

Emphasizes the managed and regulated nature of the enclosed space.

a private network

Focuses on restricted access and internal communication.

an internal network

Highlights the system's operation within defined boundaries.

FAQs

What does "a closed circuit" mean in electronics?

In electronics, "a closed circuit" refers to a complete and uninterrupted path for electrical current to flow. This allows devices connected to the circuit to function properly, as the electricity can continuously circulate.

Can "a closed circuit" be used metaphorically?

Yes, "a closed circuit" can be used metaphorically to describe systems or situations that are self-contained and isolated from external influences. However, ensure the metaphor is appropriate and clear in its intended meaning.

What's the difference between "a closed circuit" and an open circuit?

While "a closed circuit" allows continuous current flow, an open circuit has a break in the path, preventing electricity from flowing. This distinction is crucial in understanding electrical functionality.

What are some alternatives to using "a closed circuit" in a sentence?

You can use alternatives like "a complete circuit", "a full circuit", or "a self-contained system", depending on the context.