स्थैतिक विद्युत चुंबकीय प्रेरण (Static electromagnetic induction) को निम्नलिखित में से किस AC विद्युत उपकरण में अपनाया जाता है?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?