निम्नलिखित में से कौन सी सामग्री घर्षण द्वारा आसानी से आवेशित की जा सकती है और स्थिर विद्युत को बनाए रख सकती 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?