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,

A series RC circuit, which is made from a battery, a switch, a resistor, and a 3.45- µF capacitor, has a time constant of 11.0 ms. If an additional 12.0- µF is added in series to the 3.45- µF capacitor, what is the resulting time constant? O a. 14.2 ms b. 38.3 ms c. 1.19 ms d. 8.54 ms O e. This cannot be found without the value of the resistance being given.

Resistors are connected in the circuit shown below: 1) What is the equivalent resistance? A. 4.4 Ω B. 2.2 Ω C. 1.1 Ω D. 0.1 Ω 2) What is the total current in the circuit? A. 2.73 A B. 2.25 A C. 2.10 A D. 3.10 A 3) What is the voltage across the 6-Ω resistor? A. 6.54 V B. 13 V C. 12 V D. 8

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

Compute for the total energy of the entire circuit. Select one: a. 128.42 micro Joules b. 352.12 micro Joules c. 273.56 micro Joules d. 478.08 micro Joules

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