Superconductors Have Been Discussed as a Means for Electrical Energy

question 66

Multiple Choice

Superconductors have been discussed as a means for electrical energy storage.Because they are resistanceless,a current once started in a loop would continue without loss.If a current of 1.0 × 10⁴ A were started in a huge toroidal coil of radius 1.0 km and inductance 50 H,how much electrical energy (in kWh) could be stored?

• A)300 kWh
• B)480 kWh
• C)690 kWh
• D)840 kWh

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Definitions:

Class Challenge

The act of disputing and questioning the established social class hierarchy, often aiming to address and rectify inequalities.

False Consciousness

A term used in Marxist theory to describe the way in which material, ideological, and institutional processes in capitalist society mislead the proletariat about their real interests.

Inequality

The unequal distribution of resources, rights, and opportunities among individuals or groups within a society.

Class Consciousness

Awareness of one's own social class position and the collective interests of that class.