Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 4.702 and 17.5 W, 41.20 and 14.5 W, and 20.802 and 7.86 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? (b) How much power does the battery deliver to the circuit in (a)? (a) Number i (b) Number i IM Units Units <>

Three resistors are connected in series across a battery. The value of each resistance and its maximum power rating are as follows: 4.702 and 17.5 W, 41.20 and 14.5 W, and 20.802 and 7.86 W. (a) What is the greatest voltage that the battery can have without one of the resistors burning up? (b) How much power does the battery deliver to the circuit in (a)? (a) Number i (b) Number i IM Units Units <>

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Three resistor are connected in series where R1= 63.2 Ohms, R2= 105 Ohms, and R3 = 42.8 Ohms. What is the current in the circuit is the source potential is 39.9 V?
When resistors 1 and 2 are connected in series, the equivalent resistance is 12.8 Ω. When they are connected in parallel, the equivalent resistance is 2.29 Ω. What are (a) the smaller resistance and (b) the larger resistance of these two resistors?
When resistors 1 and 2 are connected in series, the equivalent resistance is 15.5 Q2. When they are connected in parallel, the equivalent resistance is 2.88 2. What are (a) the smaller resistance and (b) the larger resistance of these two resistors? (a) Number i Units (b) Number i Units
A voltage V(t) = Vm sin(wt) is applied across a 49 ohm resistor. What is the average power in Watts dissipated in the resistor? Vm = 12 volts
In the circuit below the value of the resistance 14 Ω and the value of the capacitance is 2.0 µF. The voltage of the battery is 50 V. The capacitor is initially uncharged. Sometime after the switch is closed, the current in the circuit is measured to be 1.1 A. At this time, what is the charge on the capacitor, in µC? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
In the circuit diagram R1 = 5R and R2 = 15R, where R = 14 Ω. The power dissipated in resistor 2 is P = 1.6 W. Part (a) What is the voltage across the battery in volts? Part (b) How much power, Ps, is the source supplying, in watts?
An ideal battery has an emf of 14.3 V. If it is connected to a circuit and creates a current of 2.18A, what is the power delivered by the battery in units of Watts?
A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 16 Ω, R2 = 55 Ω, R3 = 97 Ω, R4 = 63 Ω, and R5 = 23 Ω, and the emf of the battery is ε = 5.5 V. Suppose the internal resistance of the battery is zero. Express the current I through R1 in terms of the emf ε and the equivalent resistance R.
What is the terminal voltage (in V) of a large 1.65 V carbon-zinc dry cell used in a physics lab to supply 1.20 A to a circuit, if the cell's internal resistance is 0.300 Ω? How much electrical power (in W) does the cell produce? What power (in W) goes to its load?
Three resistors are connected as shown to a battery. The value of the resistors are: R1 = 1.25KΩ R2 = 1.5kΩ and R3 = 3kΩ. The battery voltage is measured to be 45V. (i) What is the equivalent resistance for the circuit? (ii) What is the voltage drop over R2?
Problem 2. Three resistors R1=2 ohm, R2=3 ohm, and R3=4 ohm are connected in parallel. The parallel connection is attached to a V= 6{V} voltage source. (a) What is the equivalent resistance? (b) Find the current supplied by the source to the parallel circuit. (c) Calculate the currents in each resistor and show that these add together to equal the current output of the source. (d) Calculate the power dissipated by each resistor. (e) Find the power output of the source and show that it equals the total power dissipated by the resistors. (f) draw the diagram.
Two resistors are connected in series in a circuit with a battery. The electromotive force (emf) of the battery is 3.0 volts. The resistances are 0.40 ohms and 1.85 ohms. (a) Determine the current I. Hint: The same current flows through both resistors. The voltage drop across the two resistors, i.e. IR₁ ✈ IR₂, is equal to the emf. (d) Determine the power in the first resistor. 1.78 W (e) Determine the power in the second resistor. 2.49 W