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013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater,...
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a...
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
1. A lamp (R = 147 ohms), an electric heater (R = 24 ohms), and a...
1. A lamp (R = 147 ohms), an electric heater (R = 24 ohms), and a fan (R = 49 ohms) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
1. A lamp (R = 147 W), an electric heater (R = 24 w), and a...
1. A lamp (R = 147 W), an electric heater (R = 24 w), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a...
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
A lamp (R = 147 W), an electric heater (R = 24 W), and a fan...
A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extention cord plugged into a 117 V outlet. a) what total current is supplied to the circuit? b) what is the voltage across the fan? c) what is the current in the lamp? d) what power is expended in the heater?
A lamp (R1 = 154 ?), an electric heater (R2 = 26 ?), and a fan...
A lamp (R1 = 154 ?), an electric heater (R2 = 26 ?), and a fan (R3 = 52 ?) are connected in parallel across a 120 V line. (a) What total current is supplied to the circuit? A (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater? Your response differs from the correct answer by more than 10%. Double check your calculations. W
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight...
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
013 (part 1 of 2) 10.0 points A new type of 36.0 W lamp is designed...
013 (part 1 of 2) 10.0 points A new type of 36.0 W lamp is designed to pro- duce the same illumination as a conventional 71.0 W lamp. How much energy does this lamp save dur- ing 390.0 h of use? Answer in units of J
008 (part 1 of 2) 10.0 points In a circuit of two lamps in series, if...
008 (part 1 of 2) 10.0 points In a circuit of two lamps in series, if the current through one lamp is 6 A, what is the current through the other lamp? Answer in units of A 009 (part 2 of 2) 10.0 points If 10 V is applied to the above circuit and the voltage across the first lamp is 1 V, what is the voltage across the second lamp? Answer in units ofV
001 (part 1 of 2) 10.0 points The load across a 12 V battery consists of...
001 (part 1 of 2) 10.0 points The load across a 12 V battery consists of a series combination of three resistors 23.7 2, 34 S2, and 37.3 2. What is the total resistance of the load? Answer in units of Ω. 002 (part 2 of 2) 10.0 points What is the current in the circuit? Answer in units of A 003 (part 1 of 3) 10.0 points A 10 Ω, a 7.0 Ω and a 14.0 Ω resistor are...
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
1. A lamp (R = 147 W), an electric heater (R = 24 w), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
1. A lamp (R = 147 W), an electric heater (R = 24 W), and a fan (R = 49 W) are connected in parallel to an extension cord plugged into a 117 V outlet. (a) What total current is supplied to the circuit? (b) What is the voltage across the fan? (c) What is the current in the lamp? (d) What power is expended in the heater?
013 (part 1 of 4) 10.0 points You throw a softball (of mass 200 g) straight up into the air. It reaches a maximum altitude of 13.9 m and then returns to you What is the gravitational potential energy of the soft ball at its highest position? Assume the ball departed from and returned to ground level. Answer in units of J. 014 (part 2 of 4) 10.0 points Assume no energy is lost by the softball while it is...
013 (part 1 of 2) 10.0 points A new type of 36.0 W lamp is designed to pro- duce the same illumination as a conventional 71.0 W lamp. How much energy does this lamp save dur- ing 390.0 h of use? Answer in units of J
008 (part 1 of 2) 10.0 points In a circuit of two lamps in series, if the current through one lamp is 6 A, what is the current through the other lamp? Answer in units of A 009 (part 2 of 2) 10.0 points If 10 V is applied to the above circuit and the voltage across the first lamp is 1 V, what is the voltage across the second lamp? Answer in units ofV
001 (part 1 of 2) 10.0 points The load across a 12 V battery consists of a series combination of three resistors 23.7 2, 34 S2, and 37.3 2. What is the total resistance of the load? Answer in units of Ω. 002 (part 2 of 2) 10.0 points What is the current in the circuit? Answer in units of A 003 (part 1 of 3) 10.0 points A 10 Ω, a 7.0 Ω and a 14.0 Ω resistor are...
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