An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and...

Question

Question

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

=

nothingnothing

SubmitRequest Answer

science physics

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Add a comment

Answer 2

Similar Homework Help Questions

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
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 <...

Problem 18.87 Copper wire of diameter 0.249 cm is used to connect a set of appliances...

Problem 18.87 Copper wire of diameter 0.249 cm is used to connect a set of appliances at 120 V, which draw 1850 W of power total. The resistivity of copper is 1.68 x 10- 12 m. What power is wasted in 29.0 m of this wire? Express your answer to three significant figures and include the appropriate units. I MÅ BO ? Units P dissipated = Paissipated = | Value Submit Request Answer Part B What is your answer if...
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter....

A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 7.85×10−3 T/s . The resistivity of copper is 1.68×10−8Ω⋅m. Determine the current in the loop. (Express your answer to two significant figures and include the appropriate units.) Determine the rate at which thermal energy is produced. (Express your answer to two significant figures and include the appropriate units.)
Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.3 mm in diameter,...

Calculate the ratio of the resistance of 12.0 m of aluminum wire 2.3 mm in diameter, to 20.0 m of copper wire 1.6 mm in diameter. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅

Calculate the ratio of the resistance of 15.0 m of aluminum wire 2.3 mm in diameter,...

Calculate the ratio of the resistance of 15.0 m of aluminum wire 2.3 mm in diameter, to 29.0 m of copper wire 1.8 mm in diameter. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m
A 14.0-m length of wire consists of 6.0 m of copper followed by 8.0 m of...

A 14.0-m length of wire consists of 6.0 m of copper followed by 8.0 m of aluminum, both of diameter 1.1 mm . A voltage difference of 95 mV is placed across the composite wire. The resistivity of copper is 1.68×10−8Ω⋅m and the resistivity of aluminum is 2.65×10−8Ω⋅m. Part A) What is the total resistance (sum) of the two wires? Express your answer to two significant figures and include the appropriate units. Part B) What is the current through the...
A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter....

A 24.0-cm diameter coil consists of 45 turns of circular copper wire 3.0 mm in diameter. A uniform magnetic field, perpendicular to the plane of the coil, changes at a rate of 7.85×10−3 T/s .The resistivity of copper is 1.68×10−8Ω⋅m. a) Determine the current in the loop. (Express your answer to two significant figures and include the appropriate units.) b) Determine the rate at which thermal energy is produced.(Express your answer to two significant figures and include the appropriate units)

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.)

An extension cord made of two wires of diameter 0.129 cm (no. 16 copper wire) and...

Homework Answers