In a single-phase induction type energy meter, to make the phase angle (Δ) between the supply voltage and the pressure coil flux exactly 90°, the adjustable resistance connected in the copper shading band circuit should have:

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?