एक उपकरण जो तापमान, विस्थापन या बल जैसी भौतिक घटना के संपर्क में आने पर एक आनुपातिक विद्युत आउटपुट सिग्नल उत्पन्न करता है, कहलाता है:

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?