In the figure the current in resistance 6 is i6 = 1.38 A and the resistances are R1 = R2 = R3 = 2.20 Q, R4 = 15.8 N, R5 = 8.10 N, and R6 = 3.15 N. What is the emf of the ideal battery?

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Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 12CQ: Explain why R=R0(1 + a?T) for the temperature variation of the resistance R of an object is not as...
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In the figure the current in resistance 6 is i6 = 1.38 A and the resistances
are R1 = R2 = R3 = 2.20 N, R4 = 15.8 N, R5 = 8.10 N, and R6 = 3.15 N. What is the
emf of the ideal battery?
R
R2
R
R4
(a) 43.9 V
(b) 45.5 V
(c) 46.8 V
(d) 48.0 V
(e) None of the above
十下
Transcribed Image Text:In the figure the current in resistance 6 is i6 = 1.38 A and the resistances are R1 = R2 = R3 = 2.20 N, R4 = 15.8 N, R5 = 8.10 N, and R6 = 3.15 N. What is the emf of the ideal battery? R R2 R R4 (a) 43.9 V (b) 45.5 V (c) 46.8 V (d) 48.0 V (e) None of the above 十下
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