बैटरी की वाट-घंटा दक्षता (Watt-hour efficiency) हमेशा उसकी एम्पीयर-घंटा दक्षता (Ampere-hour efficiency) से कम क्यों होती है?

Which war led to the creation of Bangladesh?

Who wrote the Indian national song "Vande Mataram"?

Which of the following is most closely associated with Babasaheb Ambedkar's later life and activism?

Who among the following was the first Indian woman to be elected as the President of the Indian National Congress?

Which of the following was a major impact of British rule in India?