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space medium MCQ

Solar electric propulsion (SEP) uses which power source to drive ion/Hall thrusters?

Nuclear RTG
Solar photovoltaic arrays
Fuel cells
Radioisotope heater units

Answer: Solar photovoltaic arrays

SEP converts sunlight to electricity via solar arrays powering electric thrusters, enabling efficient cargo transport (e.g., Psyche, Lunar Gateway HALO).

Topic Space Missions - Technology

Exam Relevance SSC CGL, UPSC Prelims

More space Questions Back to all questions