The ammeter shown in the circuit below reads 2.15 A. Use kirchoff\'s Loop Rule o

Question

The ammeter shown in the circuit below reads 2.15 A. Use kirchoff's Loop Rule on the upper loop to find I1. (Indicate with an arrow on the diagram the direction you are going around the loop.) use kirchoff's function Rule to find I2 Use kirchoff's Loop Rule on the bottom loop to find epsilon. (Indicate with an arrow on the diagram the direction you are going around the loop.)

Explanation / Answer

(1) 12 - 4I1 - 5*(2.15) = 0 --- anti clockwise loop1 =>I1 = 0.3125 amp (2) as per junction rule I1 + I2 = 2.15 =>I2 = 1.8375 amp (3) E - 2I2 - 5I2 + 5I1 = 0 --- clockwise loop 2 =>E -7I2 +5I1 =0 => E = 12.8625 - 1.5625 => E = 11.3 V

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