A ring of radius \( R \) having uniformly distributed charge \( Q \) is mounted on a rod suspend...

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A ring of radius \( R \) having uniformly distributed charge \( Q \) is mounted on a rod suspended by two identical strings. The tension in strings in equilibrium is \( T_{\mathrm{O}} \). Now, a vertical magnetic field is switched on and ring is rotated at constant angular velocity \( \omega \). Find the maximum value of \( \omega \) with which the ring can be rotated if the strings can withstand a maximum tension of \( \frac{3 T_{0}}{2} \).
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