R1 (70.002) R2(105.0 ) * 5. For the circuit shown in the figure, what is the current through resistor R1? R₁₁ +7-2=0 6₁ R₁u = - 5 = = - 5 = 1352= R₁ -5 702 2.0 V 7.0 V a. 0.13 A b. 0.071 A c. 0.016 A d. 0.029 A e. 0.058 A R3 (140.00) 071A

A small office-building air conditioner operates or 408-V AC and consumes 50.0 kW. (a) What is its effective resistance? (b) What is the cost of running the air conditioner during a hot summer month when it is on 8.00 h per day for 30 days and electricity costs 9.00 cenls/kW h ?

Integrated Concepts A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg. °C, assuming no heat escapes?

A person with body resistance between his hands of 1.00 k accidentally grasps the terminals of a 20.0-kV power supply. (Do NOT do this!) (a) Draw a circuit diagram to represent the situation. (b) If the internal resistance of the power supply is 2000 , what is the current through his body? (c) What is the power dissipated in his body? (d) If the power supply is to be made safe by increasing its internal resistance, what should the internal resistance be for the maximum current in this situation to be 1.00 mA or less? (e) Will this modification compromise the effectiveness of the power supply for driving low-re si stance devices? Explain your reasoning,

17. The following circuit carries a current of 200.0 mA. V₁ = 6.2 V and source - 15 V. What is the resistance of R₂? R, V₁ a. b. 53 c. 44Q d. 75Q 31 Q 18. Four resistors are placed in series in a circuit. Their resistances are R₁ - 10.1, R2- 19.80, R3-50.30. R4 = 25.4 22. What is the total resistance of the circuit? a. 95.50 b. 108 2 c. 80.2 d. 106 19. For the following circuit R₁ - 75, R₂ - 1252, R3-105, R4 - 150 C, and V₁-15 V. What is V source R₁ V₁ R₂ Vource a. 4.0 x 10 V b. 3.5 x 10 V R₂ c. 5.5 x 10 V d. 4.5 x 10 V R₂ R₁

In the circuit below, what is the current traveling across resistor R3? V = 24 volts, R₁ = 2.0, R₂ = 3.0 №, R3 = 6.0 ≤, and R4 = 4.0 2. R₂ V + [ a. 0.50 A O b. 1.5 A O c. 2.0 A d. 1.0 A e. 2.5 A R₁ R4 R₂

Find the following: a. Equivalent resistance of the circuit b. Total Current c. Voltage on the 250-2 resistor d. Voltage on the 200-2 resistor e. Current thru the 250-2 resistor. 100 Ω R R2 3250 2 24 V = 350 Ω R, R43 200 2 Activate Windows Go to Settings to activate Win

What is the equivalent resistance of 4 resistors connected in parallel if R1 = 1 Ω, R2 = 2 Ω, R3 = 3 Ω and R4 = 4 Ω? a. 0.1 Ω b. 0.5 Ω c. 1.5 Ω d. 3 Ω

3. When E = 12 V and R = 7 Ωa. Find the total resistance of the circuit?b. At what rate is thermal energy being generated in the 2R-resistor?

In an RC circuit where the capacitor starts uncharged, what proportion of the battery voltage, or emf, is across the resistor after three time constants? a. 5.0% b. 63.2% c. 36.8% d. 95.0%