Eight bulbs are connected in parallel to a 120 Vsource by two long leads of total...
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Eight bulbs are connected in parallel to a 120 Vsource by two long leads of total resistance 1.7 Ω . |
Part A If 210 mA flows through each bulb, what is the resistance of each? Express your answer to two significant figures and include the appropriate units. |
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Eight bulbs are connected in parallel to a 120 Vsource by two
long leads of total...
1. Eight bulbs are connected in parallel to a 280 V source by two long leads...
1. Eight bulbs are connected in parallel to a 280 V source by two long leads of total resistance 2.0 12. If 250 mA flows through each bulb, what is the resistance of each? Extra If 200 mA flows through each bulb, what fraction of the total power is wasted in the leads?
Homework #7 Problem 19.12 12 of 14 Constants Eight identical bulbs are conrnected in series across...
Homework #7 Problem 19.12 12 of 14 Constants Eight identical bulbs are conrnected in series across a 120-V line. Part B If the current is 0.48 A, what is the resistance of each bulb? Express your answer to two significant figures and Include the approprlate units. R 33 Ω Submit Previous Answers Request Answer x Incorrect; Try Again; 5 attempts remaining Part C If the current is 0.48 A,what is the power dissipated in cach bulb? Express your answer to...
ch. 19 #2 A battery with an emf of 12.0 V shows a terminal voltage of...
ch. 19 #2 A battery with an emf of 12.0 V shows a terminal voltage of 11.5 V when operating in a circuit with two lightbulbs, each rated at 4.0 W (at 12.0 V), which are connected in parallel. Part A What is the battery's internal resistance? Express your answer to two significant figures and include the appropriate units. Part B Eight 9.5-W Christmas tree lights are connected in series to each other and to a 120-V source. What is...
A 44.5 Ω resistor and a 93.7 Ω resistor are connected in parallel, and the combination...
A 44.5 Ω resistor and a 93.7 Ω resistor are connected in parallel, and the combination is connected across a 120 V dc line. A) What is the resistance of the parallel combination? Express your answer in ohms to three significant figures. B)What is the total current through the parallel combination? Express your answer in amperes to three significant figures. C)What is the current through the 44.5 Ω resistor? Express your answer in amperes to three significant figures. D)What is...
Two light bulbs are connected in parallel, and then connected to a battery, as shown in...
Two light bulbs are connected in parallel, and then connected to
a battery, as shown in Fig. 4.51(a). You observe that bulb 1 is
twice as bright as bulb 2. Assuming that the brightness of a bulb
is proportional to the power dissipated in the bulb’s resistor,
which bulb’s resistor is larger, and by what factor? The bulbs are
now connected in series ,as shown in Fig.4.51(b). Which bulb is
brighter, and by what factor? How bright is each bulb...
Two light bulbs have resistances of 40 2 and 802. The two light bulbs are now...
Two light bulbs have resistances of 40 2 and 802. The two light bulbs are now connected in parallel across the 12 V supply. Find the current through each bulb. Express your answer in amperes separated by a comma. VASO 140, 180 = A Submit Request Answer Part E The two light bulbs are connected in parallel across the 12 V supply. Find the power dissipated in each bulb. Express your answer in watts separated by a comma. LOAD ?...
Three 1.20-622 resistors can be connected together in four different ways, making combinations of series and/or...
Three 1.20-622 resistors can be connected together in four different ways, making combinations of series and/or parallel circuits. Part B Determine the net resistance of the three resistors connected in series. Express your answer to two significant figures and include the appropriate units. ILA ? Req! Value Units Submit Request Answer Part C Determine the net resistance of the three resistors connected in parallel. Express your answer to two significant figures and include the appropriate units. HA ? VR_{\rm eq...
Two light bulbs have resistances of 400 Ω and 800 Ω The two light bulbs are...
Two light bulbs have resistances of 400 Ω and 800 Ω The two light bulbs are connected in series across a 120- V line. Find the current through each bulb. Enter your answers numerically separated by a comma. I 400, I 800 =______A Part B Find the power dissipated in each bulb. P 400, P 800 =________W Part C Find the total power dissipated in both bulbs. P =______W Can someone explain how to go about this question? Thank you.
Learning Goal: To practice Problem Solving Strategy 26.1 Resistors in Series and Parallel EXECUTE the solution...
Learning Goal: To practice Problem Solving Strategy 26.1 Resistors in Series and Parallel EXECUTE the solution as follows Two bulbs are connected in parallel across a source of emf E = 8.00 V with a negligible internal resistance. One bulb has a resistance of 3.0 82, and the other is 4.0 82. A resistor R is connected in the circuit in series with the two bulbs What value of R should be chosen in order to supply each bulb with...
Constar Three 40-N2 lightbulbs and three 60-22 lightbulbs are connected in series. Part A What is...
Constar Three 40-N2 lightbulbs and three 60-22 lightbulbs are connected in series. Part A What is the total resistance of the circuit? Express your answer to two significant figures and include the appropriate unit MA ? Rotal Value Omega Submit Request Answer Part B What is the total resistance if all six are wired in parallel? Express your answer to two significant figures and include the appropriate units. HA Riotal Value Omega Submit Request Answer Next > Provide Feedback
1. Eight bulbs are connected in parallel to a 280 V source by two long leads of total resistance 2.0 12. If 250 mA flows through each bulb, what is the resistance of each? Extra If 200 mA flows through each bulb, what fraction of the total power is wasted in the leads?
Homework #7 Problem 19.12 12 of 14 Constants Eight identical bulbs are conrnected in series across a 120-V line. Part B If the current is 0.48 A, what is the resistance of each bulb? Express your answer to two significant figures and Include the approprlate units. R 33 Ω Submit Previous Answers Request Answer x Incorrect; Try Again; 5 attempts remaining Part C If the current is 0.48 A,what is the power dissipated in cach bulb? Express your answer to...
Two light bulbs are connected in parallel, and then connected to
a battery, as shown in Fig. 4.51(a). You observe that bulb 1 is
twice as bright as bulb 2. Assuming that the brightness of a bulb
is proportional to the power dissipated in the bulb’s resistor,
which bulb’s resistor is larger, and by what factor? The bulbs are
now connected in series ,as shown in Fig.4.51(b). Which bulb is
brighter, and by what factor? How bright is each bulb...
Two light bulbs have resistances of 40 2 and 802. The two light bulbs are now connected in parallel across the 12 V supply. Find the current through each bulb. Express your answer in amperes separated by a comma. VASO 140, 180 = A Submit Request Answer Part E The two light bulbs are connected in parallel across the 12 V supply. Find the power dissipated in each bulb. Express your answer in watts separated by a comma. LOAD ?...
Three 1.20-622 resistors can be connected together in four different ways, making combinations of series and/or parallel circuits. Part B Determine the net resistance of the three resistors connected in series. Express your answer to two significant figures and include the appropriate units. ILA ? Req! Value Units Submit Request Answer Part C Determine the net resistance of the three resistors connected in parallel. Express your answer to two significant figures and include the appropriate units. HA ? VR_{\rm eq...
Learning Goal: To practice Problem Solving Strategy 26.1 Resistors in Series and Parallel EXECUTE the solution as follows Two bulbs are connected in parallel across a source of emf E = 8.00 V with a negligible internal resistance. One bulb has a resistance of 3.0 82, and the other is 4.0 82. A resistor R is connected in the circuit in series with the two bulbs What value of R should be chosen in order to supply each bulb with...
Constar Three 40-N2 lightbulbs and three 60-22 lightbulbs are connected in series. Part A What is the total resistance of the circuit? Express your answer to two significant figures and include the appropriate unit MA ? Rotal Value Omega Submit Request Answer Part B What is the total resistance if all six are wired in parallel? Express your answer to two significant figures and include the appropriate units. HA Riotal Value Omega Submit Request Answer Next > Provide Feedback
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