विद्युत परिपथों में उपयोग किया जाने वाला 'फ्यूज' मुख्य रूप से किन धातुओं की मिश्रधातु से बना 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?