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Ion thrusters used in spacecraft propulsion accelerate ions using ________ fields to generate thrust.
- Magnetic
- Electric
- Gravitational
- Electromagnetic
Answer: Electric
Ion engines: electric fields accelerate xenon ions to high velocity, producing efficient low-thrust propulsion. Used in deep-space missions (e.g., Chandrayaan-2 orbiter). High specific impulse enables long-duration missions. [[ISRO Reports, NCERT Physics Class 11]]