NCERT In-text 12.3 — Q3 - Magnetic Effects of Electric Current
Question: Choose the correct option. The magnetic field inside a long straight solenoid-carrying current (a) is zero. (b) decreases as we move towards its end. (c) increases as we move towards its end. (d) is the same at all points.
Answer: Answer: **(d) is the same at all points**.
Full step-by-step NCERT solution with diagrams on Something by Zero.