5.4. The situation shown in the figure to the right consists of a battery and four identical bulbs. (a) Draw a circuit diagram of the situation. (b) Will all the bulbs light up? (c) Which bulb will be brightest? (d) Which bulbs are connected to each other in parallel? Which in series? 5.5. Two resistors connected in series have an equivalent resistance of 8.0. The same resistors connected in parallel have an equivalent resistance of 1.52. What is the resistance of each resistor?

5.4. The situation shown in the figure to the right consists of a battery and four identical bulbs. (a) Draw a circuit diagram of the situation. (b) Will all the bulbs light up? (c) Which bulb will be brightest? (d) Which bulbs are connected to each other in parallel? Which in series? 5.5. Two resistors connected in series have an equivalent resistance of 8.0. The same resistors connected in parallel have an equivalent resistance of 1.52. What is the resistance of each resistor?

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)...

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Directions: Solve for the given problems. Show your complete solutions. Round off your answers into 3 significant figures.
Both circuits have a 12V battery and three 3-ohm resistors, but they are connected very differently. The series circuit on the left shows the three resistors in series. The parallel circuit on the right shows the three resistors in parallel. Select all the statements below that are true. Select 3: 27.3 new circuit.JPG Group of answer choices In the left series circuit, the equivalent resistance is 1 ohm. In the right parallel circuit, voltage across each resistor is the same. Both circuits dissipate the same amount of power. In the right parallel circuit, the equivalent resistance is 9 ohm. In the left series circuit, current is the same through all resistors. In the right parallel circuit, the equivalent resistance is 1 ohm.
2.1:Draw a circuit diagram of the circuit 2.2:Briefly explain how to connect an ammeter to measure the current in the circuit. 2.3:Briefly explan how to connect a voltmeter to measure the potential difference across a resistor in the circuit. 2.4: explain whether it matters where the ammeter is connected in the circuit. 2.5:explain whether it matters where the voltemeter is connected in the circuit.
A circuit is constructed as shown in the diagram to the right. R1 = 22 Ω, R2 = 54 Ω, R3 = 83 Ω, and R4 = 64 Ω. Write an equation for the equivalent resistance of the circuit in terms of the individual resistances. Calculate for the equivalent resistance of the circuit in ohms.
Solve the following: 1. Find a) Draw the schematic diagram of the circuit and label, b) the total resistance of the four loads having the following resistances: 6, 8, 10, and 9 ohms. If they are connected in: a) series b) parallel 2. The resistances of three resistors are 12, 15, and 9 ohms. These resistors are connected in parallel across a 35 volts battery. Find : a) Draw the schematic diagram of the circuit and label b) the total resistance of the circuit c) the total current of the circuit d) Current in each of the resistor. 3. The resistances of three resistors are 12, 15, and 9 ohms. These resistors are connected in series across a 35 volts battery. Find : a) Draw the schematic diagram of the circuit and label b) the total resistance of the circuit c) the total current of the circuit d) Voltage across each resistor 4. The resistances of four resistors are 2, 3, 5 and 8 ohms connected across 12 volts battery. The first two resistances and the last two are connected in parallel…
1. 9. In the circuit shown in the figure above, a power supplier of 50 V is connectedacross a resistance network. If R1 = 20 Ω, R2 = 10 Ω, R3 = 10 Ω, and R4 = 40 Ω. Whatis the equivalent resistor of the circuit? 2. 10. What is the current flowing through the R4 resistor in the circuit shown in Problem 9? 3. 11. What is the voltage across the R1 resistor in the circuit shown in Problem 9? 3.
Solve the following: 1. A certain light bulb has a resistance of 150 when lighted. How much current will flow through it when connected across a 220 V, its normal operating voltage? Draw the circuit schematic diagram>Fin 2. Find the potential difference (Emf) in a certain electric circuit with current flowing at 18 ampere and a floor Polisher connected with resistance of 12 ? 3. A 12 volts battery operates a 15 ohms digital scale for 5.2 minutes. a) Find the current flowing b) the charges Transferred with the given time. 4. What is the resistance of a conductor at 50° C if its resistance at 0°C is 1 ohm and the temperature coefficient of resistance of 9.8 x 10-³/°C 5. A silver wire has a resistance of 2.3 at 0°C and a temperature coefficient of resistance of 3.75 x 10-³/°C. What is final temperature when the final resistance is 3.8 ohms. ? 6. Complete the table: Electric Circuit and Ohm's Law V, Volts 8 volts 20 volts 10 Volts 36 volts I, Ampere 2.8 mA 40A 130mA R, ohms 156 02 25 ΚΩ…
Consider the following electrical circuit ... R1 R3 R2 The current through the circuit (in amps) is determined by the voltage through the circuit (in volts) divided by the resistance (in ohms) through the circuit. Complete the script to calculate the total current through the circuit This is the script for calculating the total current of the circuit R1 = 5; R2 = 10; R3 = 2; V = 6; RI = 1/( (1/Blank 1)+(1/Blank 2)) +Blank 3 I = Blank 4/Blank 5 Blank 1 Add your answer Blank 2 Add your answer Blank 3 Add your answer Blank 4 Add your answer Blank 5 Add your answer
1. Does the resistance of all substances increase with temperature? Explain. 2. What is the temperature coefficient of resistance, and what are its units? 3. Are the a of a metal conductor and the B of a thermistor the same? Explain. 4. What the circuit conditions when Wheatstone bridge is are a "balanced"? 5. Assuming that B remained constant, what would be the resistance of the thermistor in the experiment as the temperature approached absolute zero? 6. What characteristics of the thermistor make it flexible a temperature transducer?
The voltage V (volts), current I (amperes), and resistance R (ohms) of an electric circuit like the one shown here are related by the equation V=IR. Suppose that V is 1 increasing at the rate of 3 volt/sec while I is decreasing at the rate of amp/sec. Let t denote time in seconds. Answer the following questions. 5 dV dt = dl dt dl b. What is the value of dt? volt/sec (Simplify your answer.) OA. O C. amp/sec (Simplify your answer.) c. What equation relates to dR dt dR dV dt dt dR dt 1 dV dl +V- I dt dt dl dv =1+VdT dt dl and dt? OB. O D. d. Find the rate at which R is changing when V = 40 volts and 1= 4 amp. Is R increasing or decreasing? R is changing at ohm/sec. (Simplify your answer.) Is R increasing or decreasing? dR dt dR dt = 1 dv I'dt 1 (dV 1 dt V dl I dt F R www
R₂R₁ I E₂ R₁ R₂
Part a: what is the equivalent capacitance of the circuit shown above? Give your answer in microfarads. part b: what is the charge on the 4.0 mu*F capacity? Give your answer in microcoulombs par t c:What is the voltage on the 4mu*F capacitor ? Give your answer in Volts part c What is the voltage on the 2.0uF capacitor? Give your answer in Volts part d :