Question

Figure represents an area $A=0.5m^2$ situated in a uniform magnetic field $B=2Wb/m^2$ and making an angle of ${60}^o$ with respect to magnetic field. The value of magnetic flux through the area will be :

• A. $0.5$ Wb
• B. $\sqrt{3}$ Wb
• C. $\frac{3}{2}$Wb
• D. $2.0$Wb

Answer 1

The correct option is A $0.5$ Wb

As $\Phi =B\cdot A$
$\Rightarrow \Phi =2\times 0.5\times \cos {60}^o$
$=2\times 0.5\times \frac{1}{2}=0.5$Wb.