RRB Group D (Level-1 posts) 2022 · Question 375 of 598
The magnetic field strength of a coil is directly proportional to the number of turns. Thus, a coil with six turns will produce a field 6 times stronger than a single turn coil.
Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary
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