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В ис 0.500 m 160.00 AUC Cuc (a) Three point charges, A = 2.45 UC, B = 6.80 uc, and C = -4.30 uc, are located at the corners o

1a)

Three point charges, A = 2.45 µC, B = 6.80 µC, and C = −4.30 µC, are located at the corners of an equilateral triangle as in the figure above. Find the magnitude and direction of the electric field at the position of the 2.45 µC charge.

magnitude       N/C
direction       ° below the +x-axis

1b)Nichrome wire of a cross-sectional radius of 0.751 mm is to be used in winding a heating coil. If the coil must carry a current of 8.25 A when a voltage of 2.40 ✕ 102 V is applied across its ends, find the following.

(a) the required resistance of the coil
29.09 Ω

(b) the length of wire you must use to wind the coil

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Answer #1

from ginen data en A=2.45uCB -6.8uc, c= -4.3uc. uue kireen that eletrie fils (= kg FB = K B = (4x10²) (6.5x100 lona) (6.8x10o 420.75ixiom, i=825A. N=240V @ R=% - 240 = 29.092 3.: 11x106m. l- aXR s = TCO-751X1833 x 29609 (118166) - 46.83m

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