A portable electric heater uses 21 A of current. The manufacturer recommends that an extension cord...
A portable electric heater uses 21 A of current. The manufacturer recommends that an extension cord attached to the heater receive no more than 2.1 W of power per meter of length. What is the smallest radius of copper wire that can be used in the extension cord? (Note: An extension cord contains two wires.)
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A portable electric heater uses 21 A of current. The
manufacturer recommends that an extension cord...
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and...
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 2.7 m is connected to an electric heater which draws 11.0 A on a 120-V line. The resistivity of copper is 1.68×10−8Ω⋅m. How much power is dissipated in the cord? Express your answer to two significant figures and include the appropriate units.
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire with...
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire with r = 1.68x10-8) and of length 2.7 m (9 ft) is connected to an electric heater which draws 15.0 A on a 120-V line. How much power is dissipated in the cord? Please no hand written answers
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and...
An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and of length 2.3 m is connected to an electric heater which draws 16.5 A on a 120-V line. The resistivity of copper is 1.68×10−8Ω⋅m. Part A How much power is dissipated in the cord? Express your answer to two significant figures and include the appropriate units. P P = nothingnothing SubmitRequest Answer
Phy 1104 <Ch 18 HW Problem 18.42 An extension cord made of two wees of diameter...
Phy 1104 <Ch 18 HW Problem 18.42 An extension cord made of two wees of diameter 0 129 cm (no 16 copper wire) and of length 24 mis connected to an electric heater which draws 120 Aona 120-V in The resistivity of copper is 1 58x10m Part A How much power is dissipated in the cord? Express your answer to two significant figures and include the appropriate units T! A O = ? P Value Units Subm Request Answer <...
Please write the python functions Problem: Electric wire (Figure is a cylindrical conductor covered by an...
Please write the python functions
Problem: Electric wire (Figure is a cylindrical conductor covered by an insulating material. Figure 2 shows the structure ofa single conductor. The resistance of a piece ofwire is given by the formula: A d where ρ is the resistivity of the conductor, and I (in meter), A, and d (in meter) are the length, cross-sectional area, and diameter of the wire. The wire diameter, d, is commonly specified by the American Wire Gauge (AWG). Which...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20 cm length & 4 cm diameter, changes with time according to the graph show to right. Derive an expression for the strength of the induced electric field inside the solenoid 0 00 01 02 03 04 Sketch the corresponding graph showing how the induced electric field vary with time. B. The Figure to right shows an infinite straight wire carries a current I is...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network in figure 1 (5 marks) b) Calculate the Effective Resistance of the Network of Resistors in figure 2 (5 marks) Total 10 marks Space to answer Question 1 here + 9V R 90 92 SRZ 45 32 Rz 180 32 Figure 1: 10 10 102 102 А 320 3202 320 19 B Figure 2 Question 2 a) Explain the assumptions made in the definition...
Note: This test contains ten questions from chapter 19 to chapter 27. For full credit, you...
Note: This test contains ten questions from chapter 19 to chapter 27. For full credit, you should show all the steps of your numerical answers. No credit would be earned for just circling the right answers. Chapter 19 - Electric Potential and Electric Potential Energy 1. Two point charges are of + 7 uC and - 4 C are held at the corners of a rectangle as shown. The lengths of the sides of rectangle are 0.15 m, and 0.05...
Bob places a neutrally charged conducting ball next to a large, charged plate. The conducting ball...
Bob places a neutrally charged conducting ball next to a large, charged plate. The conducting ball is weakly attracted to the plate. What is the net charge on the plate? 1. a) Positive b) Negative c) Neutral (i.e., zero charge) d) Either positive or negative, but it is impossible to tell which A +1 C charge is at the origin, and a second +1 C charge is at position (x,y)-(2 m, 0). How much work is required to move the...
pleas help me in this do any question you know using National Electrical Code 2011 Applied Electricity NEC...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
Phy 1104 <Ch 18 HW Problem 18.42 An extension cord made of two wees of diameter 0 129 cm (no 16 copper wire) and of length 24 mis connected to an electric heater which draws 120 Aona 120-V in The resistivity of copper is 1 58x10m Part A How much power is dissipated in the cord? Express your answer to two significant figures and include the appropriate units T! A O = ? P Value Units Subm Request Answer <...
Please write the python functions
Problem: Electric wire (Figure is a cylindrical conductor covered by an insulating material. Figure 2 shows the structure ofa single conductor. The resistance of a piece ofwire is given by the formula: A d where ρ is the resistivity of the conductor, and I (in meter), A, and d (in meter) are the length, cross-sectional area, and diameter of the wire. The wire diameter, d, is commonly specified by the American Wire Gauge (AWG). Which...
TA) Q4: Time (30 minutes) A. The current flowing in a solenoid, of 400 turns, 20 cm length & 4 cm diameter, changes with time according to the graph show to right. Derive an expression for the strength of the induced electric field inside the solenoid 0 00 01 02 03 04 Sketch the corresponding graph showing how the induced electric field vary with time. B. The Figure to right shows an infinite straight wire carries a current I is...
Question 1 a) Calculate the Effective Resistance of the circuit and total current of the network in figure 1 (5 marks) b) Calculate the Effective Resistance of the Network of Resistors in figure 2 (5 marks) Total 10 marks Space to answer Question 1 here + 9V R 90 92 SRZ 45 32 Rz 180 32 Figure 1: 10 10 102 102 А 320 3202 320 19 B Figure 2 Question 2 a) Explain the assumptions made in the definition...
Note: This test contains ten questions from chapter 19 to chapter 27. For full credit, you should show all the steps of your numerical answers. No credit would be earned for just circling the right answers. Chapter 19 - Electric Potential and Electric Potential Energy 1. Two point charges are of + 7 uC and - 4 C are held at the corners of a rectangle as shown. The lengths of the sides of rectangle are 0.15 m, and 0.05...
Bob places a neutrally charged conducting ball next to a large, charged plate. The conducting ball is weakly attracted to the plate. What is the net charge on the plate? 1. a) Positive b) Negative c) Neutral (i.e., zero charge) d) Either positive or negative, but it is impossible to tell which A +1 C charge is at the origin, and a second +1 C charge is at position (x,y)-(2 m, 0). How much work is required to move the...
pleas help me in this do any question you know using National
Electrical Code 2011
Applied Electricity NEC worksheet t hree Copper conductors with THHN insulation run in Electrical A branch-circuit Consther conductors. The conductor terminations are rated for a maximum ure in the area of this installation is not expected to exceed 30C size 8 AWG, the maximum ampacity of the conductors If the conductors for this circuit are permitted A 40 amperes. B. 50 amperes. to be used...
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