Question

A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 11 ?, R2 = 45 ?, R3 = 77 ?, R4 = 69 ?, and R5 = 31 ?, and the emf of the battery is ? = 6.5 V. Suppose the internal resistance of the battery is zero. 14% Part (a) Express the equivalent resistance of the combination of R2, R3, and R4. 14% Part (b) Express the total resistance of the circuit R in terms of R1, R2, R3, R4, and R5. 14% Part (c) Calculate the numerical value of the total resistance R in ?. 14% Part (d) Express the current I through R1 in terms of the emf ? and the equivalent resistance R. 14% Part (e) Calculate the numerical value of I in A. 14% Part (f) Express the power P dissipated by R1 through I and R1. 14% Part (g) Calculate the numerical value of the power P in W. P =

          A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 11 ?, R2 = 45 ?, R3 = 77 ?, R4 = 69 ?, and R5 = 31 ?, and the emf of the battery is ? = 6.5 V. Suppose the internal resistance of the battery is zero.

14% Part (a) Express the equivalent resistance of the combination of R2, R3, and R4.
14% Part (b) Express the total resistance of the circuit R in terms of R1, R2, R3, R4, and R5.
14% Part (c) Calculate the numerical value of the total resistance R in ?.
14% Part (d) Express the current I through R1 in terms of the emf ? and the equivalent resistance R.
14% Part (e) Calculate the numerical value of I in A.
14% Part (f) Express the power P dissipated by R1 through I and R1.
14% Part (g) Calculate the numerical value of the power P in W.
P =

A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 11 ?, R2 = 45 ?, R3 = 77 ?, R4 = 69 ?, and R5 = 31 ?, and the emf of the battery is ? = 6.5 V. Suppose the internal resistance of the battery is zero.

14% Part (a) Express the equivalent resistance of the combination of R2, R3, and R4.
14% Part (b) Express the total resistance of the circuit R in terms of R1, R2, R3, R4, and R5.
14% Part (c) Calculate the numerical value of the total resistance R in ?.
14% Part (d) Express the current I through R1 in terms of the emf ? and the equivalent resistance R.
14% Part (e) Calculate the numerical value of I in A.
14% Part (f) Express the power P dissipated by R1 through I and R1.
14% Part (g) Calculate the numerical value of the power P in W.
P =

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