विद्युत धारा के रासायनिक प्रभाव का उपयोग निम्नलिखित में से किस उपकरण में किया जाता है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?