154565 If a coil of 40 turns and area $4.0 \mathrm{~cm}^{2}$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times 10^{-4} \mathrm{C}$ flows into the coil, if the resistance of the coil is $80 \Omega$, the magnetic flux density in $\mathrm{Wb} / \mathrm{m}^{2}$ is
154565 If a coil of 40 turns and area $4.0 \mathrm{~cm}^{2}$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times 10^{-4} \mathrm{C}$ flows into the coil, if the resistance of the coil is $80 \Omega$, the magnetic flux density in $\mathrm{Wb} / \mathrm{m}^{2}$ is
154565 If a coil of 40 turns and area $4.0 \mathrm{~cm}^{2}$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times 10^{-4} \mathrm{C}$ flows into the coil, if the resistance of the coil is $80 \Omega$, the magnetic flux density in $\mathrm{Wb} / \mathrm{m}^{2}$ is
154565 If a coil of 40 turns and area $4.0 \mathrm{~cm}^{2}$ is suddenly removed from a magnetic field, it is observed that a charge of $2.0 \times 10^{-4} \mathrm{C}$ flows into the coil, if the resistance of the coil is $80 \Omega$, the magnetic flux density in $\mathrm{Wb} / \mathrm{m}^{2}$ is