A Copper Cable Is to Be Designed to Carry a Current

question 27

Short Answer

A copper cable is to be designed to carry a current of 300 A with a power loss of only 2.0 watts per meter.What is the required radius of the copper cable? (The resistivity of copper is 1.7 * 10-8 $\Omega$ .m.)

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Definitions:

Repression

A defense mechanism in which distressing thoughts, memories, or desires are excluded from conscious awareness.

Encoding Failure

A phenomenon where the brain fails to create a memory link to information, leading to its forgetting.

Memory Decay

The fading or weakening of memories over time, especially if they are not retrieved or rehearsed.

Non-verbal Behaviour

Communication that occurs without the use of words, including gestures, facial expressions, body language, and tone of voice.