AP EAPCET 20-Aug-2021 Shift 2 Paper

As we know that,
Magnetic flux, ϕ=B.A =BA‌cos‌θ ...(i)
where, B is magnetic field
and A is area of cross-section.
But dot product makes flux a scalar quantity
Now, from Eq. (i), we get
Ifθ=0°‌‌‌‌ϕ=BA‌Wb
θ=90°‌‌‌‌ϕ=0‌Wb
θ=180°‌‌‌‌ϕ=−BA‌Wb
Hence, Assertion is false and Reason is true.