A magnetic needle has magnetic moment of `6*7xx10^-2Am^2` and moment of inertial of `7*5xx10^-6kgm^2`. It perform `10` complete oscillations in `6*70s`. What is the magnitude of the magnetic field?

In Fig (b) , the magnetic needle has magnetic moment 6.7 xx10^(-2) "Am"^2 and moment of inertia I=7.5xx10^(-6)"kgm"^2 . It performs 10 complete oscillations in 6.70s. What is the magnitude of the magnetic field ?

A magnetic needle placed in uniform magnetic field has magnetic moment of 2xx10^-2 Am^2 , and moment of inertia of 7.2xx10^7 kgm^2 . It performs 10 complete oscillations in 6s. What is the magnitude of the magnetic field?

In Fig 5.4 (b), the magnetic needle has magnetic moment 6.7 xx 10^(-2) Am^(2) and moment of inertia g=7.5 xx 10^(-6) Kg m^(-2) . It performs 10 complete oscillation in 6.70s. What is the magnitude of the magnetic field?

In Fig 5.4 (b), the magnetic needle has magnetic moment 6.7 xx 10^(-2) Am^(2) and moment of inertia I=7.5 xx 10^(-6) Kg m^(-2) . It performs 10 complete oscillation in 6.70s. What is the magnitude of the magnetic field?

In Fig, the magnetic needle has magnetic moment 6.7 xx 10^(-2) Am^(2) and moment of intertia I = 7.5 xx 10^(-6) kg m^(2) . It performs 10 complete oscillations is 6.70s. What is the magnitude of the magnetic field ?

A magnetic needle placed in uniform magnetic field has magnetic moment 6.7 xx 10^(-2) "Am"^(2) , and moment of inertia of 15 xx 10^(-6) k m^(2) . It performs 10 complete oscillations in 6.70 s. What is the magnitude of the magnetic field ?

A magnetic needle has a magnetic moment 5.8xx10^(-2)" A "m^(2) and moment of inertia of 7.8xx10^(-6)"kg m"^(2) , it performs 12 complete oscillations in 6.0 s. What is the magnitude of magnetic field ?