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?
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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?
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?
013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater,...
013 (part 1 of 4) 10.0 points A 143 Ω lamp, a 27 Ω electric heater, and a 49 Ω fan are connected in parallel across a 124 V line. What total current is supplied to the cir- cuit? Answer in units of A 014 (part 2 of 4) 10.0 points What is the voltage across the fan? Answer in units of V 015 (part 3 of 4) 10.0 points What is the current in the lamp? Answer in units...
Two identical resistors, R1 and R2, are connected in parallel, and this parallel combination is then...
Two identical resistors, R1 and R2, are
connected in parallel, and this parallel combination is then
connected in series with a 100 Ω resistor, R3 as shown
below
If the total resistance of the circuit is 300 Ω what must be the
resistance of R1 and R2? If the circuit is
connected to a 30V battery, what would the current through
R1? What voltage is a dropped across R3?
100 S
In the circuit below, R1 = 83 Ω, R2 = 116 Ω, R3 = 119 Ω,...
In the circuit below, R1 = 83 Ω, R2 = 116 Ω, R3 = 119 Ω, R4 = 52
Ω, R5 = 247 Ω and the voltage supplied by the power supply is V1 =
76 V.
1. What is the voltage drop across resistor R2? (in V)
2. What is the voltage drop across restore R3? (in V)
Course Contents > Practice exam ... In the circuit below, R1 = 83 2, F R2 R5 AAA WY R4 What...
1. Three resistors are connected in a series-parallel circuit as shown. (R1 > R2 > R3)....
1. Three resistors are connected in a series-parallel circuit as
shown. (R1 > R2 > R3). Which potential differences would be
greater, the voltage across R2 or the voltage across R3?
Explain.
2. Which of the resistors has the largest voltage drop across
it?
R2
A circuit consists of a power supply and two resistors R1 and R2 connected in parallel....
A circuit consists of a power supply and two resistors R1 and R2 connected in parallel. An ammeter is placed to measure the current through resistor R1. The ammeter reads I1 = 8.9 mA, and the values of the resistors are R1 = 7.7 kOhm and R2 = 820 Ohm. What is the value of voltage across R2?
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 A 143 Ω lamp, a 27 Ω electric heater, and a 49 Ω fan are connected in parallel across a 124 V line. What total current is supplied to the cir- cuit? Answer in units of A 014 (part 2 of 4) 10.0 points What is the voltage across the fan? Answer in units of V 015 (part 3 of 4) 10.0 points What is the current in the lamp? Answer in units...
Two identical resistors, R1 and R2, are
connected in parallel, and this parallel combination is then
connected in series with a 100 Ω resistor, R3 as shown
below
If the total resistance of the circuit is 300 Ω what must be the
resistance of R1 and R2? If the circuit is
connected to a 30V battery, what would the current through
R1? What voltage is a dropped across R3?
100 S
In the circuit below, R1 = 83 Ω, R2 = 116 Ω, R3 = 119 Ω, R4 = 52
Ω, R5 = 247 Ω and the voltage supplied by the power supply is V1 =
76 V.
1. What is the voltage drop across resistor R2? (in V)
2. What is the voltage drop across restore R3? (in V)
Course Contents > Practice exam ... In the circuit below, R1 = 83 2, F R2 R5 AAA WY R4 What...
1. Three resistors are connected in a series-parallel circuit as
shown. (R1 > R2 > R3). Which potential differences would be
greater, the voltage across R2 or the voltage across R3?
Explain.
2. Which of the resistors has the largest voltage drop across
it?
R2
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