If s E d S =0 over a surface, then

1. A. The number of flux lines entering the surface must be equal to the number of flux lines leaving it
2. B. The magnitude of electric field on the surface is constant
3. C. All the charges must necessarily be inside the surface
4. D. The electric field inside the surface is necessarily uniform

Attempt this NEET 2023 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.