Choose the letter A, B, C or D the word that has different stress pattern from others.

A. balcony

B. medical

C. definite

D. employee

a) Vì mạch nt \(\Rightarrow\)I=I₁=I_b=1,2A. R_tđ=U/I=12/1.2=10 \(\Omega\) R₁=U₁/I₁=9/1,2=7,5 \(\Omega\) \(\Rightarrow\)R_b=R_tđ-R₁=10-7,5=2,5\(\Omega\) b)Chỉ số vôn kế tăng,ampe kế giảm