"2 In Fig. 27-26, the ideal batteries Q have emfs &,-150 V and -50 V and...
In the figure the ideal batteries have emfs ε1 = 150 V and ε2 = 50 V and the resistances are R1 = 3.0 Ω and R2 = 2.0 Ω. If the potential at P is defined to be 140 V, what is the potential at Q? R 181= 8,12 R2 P
In the figure, the ideal batteries have emfs = 26.0 V and ε2 = 0.50081, and the resistances are each 4.74 Ω R2 (a) What is the current in resistor 2? (b) What is the current in resistor 3?
The resistances in Figs. 27-20a and b are all 6.6 2, and the batteries are ideal 10 V batteries. R3 R1 R2 Figure 27-20 (a) When switch S in Fig. 27-20a is closed, what is the change in the electric potential VR1 across resistor 1? V (enter 0 if no change) (b) When switch S in Fig. 27-20b is closed, what is the change in the electric potential VR1 across resistor 1? V (enter 0 if no change)
In the figure the ideal batteries have emfs E_1 = 5.57 V and E_2 = 10.9 V, the resistances are each 2.23 ohm, and the potential is defined to be zero at the grounded point of the circuit. What are potentials (a) V1 and (b)V2 at the indicated points? Number Units Number Units
In the figure the ideal batteries have emfs ε1 = 21.5 V, ε2 = 9.84 V, and ε3 = 4.60 V, and the resistances are each 2.50 Ω. What are the (a) size and (b) direction (left or right) of current i1? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h)...
Chapter 27, Problem 023 Partially correct answer. Your answer is partially correct. Try again. In the figure R1 = 130 Ω, R2 = 50 Ω, and the ideal batteries have emfs ε1 = 6.0 V, ε2 = 5.0 V, and ε3 = 4.0 V. Find (a) the current in R1, (b) the current in R2, and (c) the potential difference between points a and b. R2 8 R w
In the figure the resistances are R1 = 1.5 Ω and R2 = 3.0 Ω, and the ideal batteries have emfs ε1 = 1.8 V, and ε2 = ε3 = 3.7 V. Whatare the (a) size and (b)direction (up or down) of the current in battery 1, the(c) size and (d) direction of the current in battery 2, and the (e) size and(f) direction of the current in battery 3?(g) What is the potential differenceVa - Vb??
In the figure the resistances are R1 = 0.94 Ω and R2-1.9 Ω, and the ideal batteries have emfs ε,-2.4 V, and ε2E3-5.9 V. what are the (a) size and (b) direction (up or down) of the current in battery 1, the (c) size and (d) direction of the current in battery 2, and the (e) size and (f) direction of the current in battery 3? (g) What is the potential difference Va - Vb R2 (a) Number Units (c)...