কোনটি সঠিক?

A \( \bar{A} \times \bar{B}=\overline{0} \) when \( \bar{A} \perp \bar{B} \)

B \( |\overline{\mathrm{A}} \times \overline{\mathrm{B}}|=\mathrm{AB} \sin \theta \hat{斤} \)

C \( \bar{A} \cdot \bar{B}=0 \) when \( \bar{A} \| \bar{B} \)