Q: Which of the following fields could bring a deflection in an electron beam?
(a)Electric field only
(b)Magnetic field only
(c)Either electric field or magnetic field or both
(d)Neither electric field nor magnetic field
Correct Answer: (c)
The correct answer is (c): Either electric field or magnetic field or both. Subject: General Science | Sub-topic: Physics - Electricity Note: This answer was determined through AI-based research. Verify against the official answer key when available.