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Recent questions tagged telegram-1965

(chatquestion)...27. In an a.c. circuit, the instantaneous e.m.f. and current are given bye = 100 sin 30 t i-20sin 30t - In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively: 50 (1) .0 (2) 50, 0 (3) 50, 10 1000 10 (4)

asked May 28, 2020 by balaji.thirumalai

1 answer

(chatquestion)...A liquid of density_2p is filled in a cylindrical vessel, whose cross-sectional area is 2A. A wooden cylinder of height H, cross-sectional area A and density p is floating in the liquid at equilibrium with its axis vertical. The cylinder is pushed down by a small distance x from its equilibrium position and released. Find its initial acceleration. 2A 28 2g (1) H. (9) ()* 3g (3) 4g H. :9J , 1.,ו

asked Jan 23, 2020 by balaji.thirumalai

1 answer

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