यदि एक 3-फेज इंडक्शन मोटर की आपूर्ति वोल्टेज (supply voltage) को दोगुना (दो गुना) बढ़ा दिया जाए, तो उसका बलाघूर्ण (torque) कितने गुना बढ़ जाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?