1 gauss is equal to
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → \( 10^{-4}\,\mathrm{T} \)
NCERT (2026-27):
Magnetic Field, Lorentz Force – “… Tesla is a rather large unit. A smaller unit (non-SI) called gauss (=10−4 tesla) is also often used.”