एक सीधे धारावाही चालक द्वारा उत्पन्न चुंबकीय क्षेत्र सबसे मजबूत कहाँ होता है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?