In the figure the ideal batteries have emfs E₁ = 9.0 V and E2 = 0.500 E1, and the resistances are each 3.38 Q. What is the value of current in (a) resistor 2 and (b) resistor 3? R₁ R₂ i2 13

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In the figure, R₁ = 1 N and R₂ = 2 , and the ideal batteries have emfs of & = 2 V and &2 = 3 = 4 V. Determine: (a) The current passing through each resistor, (b) total power delivered by the batteries, (c) the potential difference between points a and b. R₁ R₁ a mm €18₁ R₁ WW R₂ 18₂ Ezd! E2 www R₁

The figure below shows a circuit consisting of three ideal batteries and four resistors. The batteries have emfs &₁ = 2.0V and E2 E3 = 4.0 V. The resistances are R₁ = 1.0 and R₂ = 2.0. R₁ R₁ ww 18, R₁ a R₂ Est €18₂ E2 R₁ (a) What is the current (magnitude and direction) in each battery? (b) What is the potential difference V₁ - V₁ between the points a and b indicated in the figure? (c) Check your results by checking the sum of the currents at the node you did not use for your node equations and the voltages in a loop you did not use. (d) Check your results by choosing ground at one point in the circuit as your V=0 reference and finding each unique voltage in the circuit and labeling the circuit with those voltages.

In the figure R₁ = 110 Q, R₂ = 50 , and the ideal batteries have emfs ₁ = 5.0 V, 82 = 4.0 V, and 3 = 5.0 V. Find (a) the current in R₁, (b) the current in R₂, and (c) the potential difference between points a and b. R₁ =100 E₁ cony/ R₂

Three resistors R₁ R₁ E₁ 86.22, R₂ = 22.1 , R3 = 70.00, and two batteries &₁ = 40.0 V, and E2 = 354 V are connected as shown in the diagram below. ww R₂ A A A 39 (a) What current flows through R₁, R₂, and R3? I₁ = I₂ = I3 = R3 (b) What is the absolute value of the potential difference across R₁, R₂, and R3? |AVR1|=| V |AVR2| = V |AVR3|=|

3 9. Four resistors R₁=7.00 2, R₂ =11.0 2, R3-10.0 2, and R4 8.00 2 are mounted as shown in the figure. The voltage of the battery is V = 22 Volts. What is the current in the R₂ resistor? X 0.16 Amps 32,444 20 $ 888 F4 24 % 5 2 6 tv F6 -www- R₁ H MacBook Air & 7 www R₂ e AA F7 * 00 8 DII FB R3 R4 9 F9 F10 (1 F11 F12

In the figure, three resistors are connected to R3 = 8.9 0. The current through resistor R3 is 7.25 mA. ideal emf device. The resistances are R1 = 10.4 Q, R, = 21.5 Q, and R R2 R3 (a) What is the current through the other two resistors? I = mA I2 = (b) What is the terminal potential of the emf device? V

In the figure, R, = 48 2, wiwwwn w 24a are R, Rz R3 R, = 72 o and R3 = 24 a are connected across points "a" and "b". A potential difference V = 432 volts is applied across the system . What is the power dissipation in resistor R,? (in watts) %3D %3D