PhysicsMedium55×since 2003Q6678Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area A=A=A= 10 cm210\,\,c{m^2}10cm2 and length =20=20=20 cmcmcm . If one of the solenoid has 300300300 turns and the other 400400400 turns, their mutual inductance is (μ0=4π×10−7 Tm A−1)\left( {{\mu _0} = 4\pi \times {{10}^{ - 7}}\,Tm\,{A^{ - 1}}} \right)(μ0=4π×10−7TmA−1)A2.4π×10−5H2.4\pi \times {10^{ - 5}}H2.4π×10−5HB4.8π×10−4H4.8\pi \times {10^{ - 4}}H4.8π×10−4HC4.8π×10−5H4.8\pi \times {10^{ - 5}}H4.8π×10−5HD2.4π×10−4H2.4\pi \times {10^{ - 4}}H2.4π×10−4HCheck answerSkip