A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 17 Ω, R2 = 35 Ω, R3 = 86 Ω, R4 = 32 Ω, and R5 = 29 Ω, and the emf of the battery is ε = 5.5 V. Suppose the internal resistance of the battery is zero.
Express the equivalent resistance of the combination of R2, R3, and R4.
Calculate the numerical value of the total resistance R in Ω.
Express the current I through R1 in terms of the emf ε and the equivalent resistance R.
Calculate the numerical value of I in A.
Express the power P dissipated by R1 through I and R1.
Calculate the numerical value of the power P in W.
