Determine the current through a 67 m long tungsten wire of diameter 0.866 mm, having a...
Determine the current through a 67 m long tungsten wire of diameter 0.866 mm, having a potential drop of 6.5 V. What is the energy in the wire after 45 min?
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Determine the current through a 67 m long tungsten wire of
diameter 0.866 mm, having a...
A cylindrical tungsten filament 15.0 cm long with a diameter of 1.10 mm is to be...
A cylindrical tungsten filament 15.0 cm long with a diameter of 1.10 mm is to be used in a machine for which the temperature will range from room temperature (20 ∘C) up to 120 ∘C. It will carry a current of 13.5 A at all temperatures ( Resistivity of tungsten at 20 ∘C is 5.25×10−8Ω⋅m , the temperature coefficient of resistivity at 20 ∘Cis 0.0045 ∘C−1 ) Part B What will be its resistance with that field? Express your answer...
3. a) A tungsten wire of length 20.0 m, initially at temperature 20.0°C, has a diameter...
3. a) A tungsten wire of length 20.0 m, initially at temperature 20.0°C, has a diameter of 2.00 mm. The potential difference across the whole wire is 180 V. Determine the current intensity in the wire b) Due to ohmic losses, the wire is heated up to 60.0°C, but the potential difference through the wire remains the same. Find the resulting current intensity. Note: po = 5,6x10 82 m, a=4.5x10(°C)
A wire 3.66 m long and 6.77 mm in diameter has a resistance of 21.7 m?....
A wire 3.66 m long and 6.77 mm in diameter has a resistance of
21.7 m?. A potential difference of 17.5 V is applied between the
ends. (a) What is the current in amperes in the wire?
(b) What is the magnitude of the current density? (c)
Calculate the resistivity of the material of which the wire is
made.
(a)
Number
Units
(b)
Number
Units
(c)
Number
Units
A wire 3.66 m long and 6.77 mm in diameter has a...
A current of 1.82 A flows through a copper wire 1.75 m long and 1.10 mm...
A current of 1.82 A flows through a copper wire 1.75 m long and 1.10 mm in diameter. Find the potential difference between the ends of the wire.
A current of 0.80 A flows through a copper wire 0.48 mm in diameter when it...
A current of 0.80 A flows through a copper wire 0.48 mm in diameter when it is connected to a potential difference of 15 V. How long is the wire?
A 100 m copper wire 2 mm in diameter has a 1.0 A current inside. The...
A 100 m copper wire 2 mm in diameter has a 1.0 A current inside. The copper wire is joined end to end to a 114 m long iron wire of the same diameter. Find the potential drop across the iron wire, ρIron = 9.7x10-8 Ω-m.
A cylindrical tungsten filament 13.0 cm long with a diameter of 1.00 mm is to be...
A cylindrical tungsten filament 13.0 cm long with a diameter of 1.00 mm is to be used in a machine for which the temperature will range from room temperature (20 ∘C) up to 120 ∘C. It will carry a current of 12.5 A at all temperatures ( Resistivity of tungsten at 20 ∘C is 5.25×10−8Ω⋅m , the temperature coefficient of resistivity at 20 ∘C is 0.0045 ∘C−1 ) What will be the maximum electric field in this filament? What will...
Problem #6) A current of 0.82 A flows through a copper wire 0.50 mm in diameter...
Problem #6) A current of 0.82 A flows through a copper wire 0.50 mm in diameter when it is connected to a potential difference of 15 V. How long is the wire in km?
problem A wire 4.00 m long and 6.00 mm in diameter has a resistance of 15.0...
problem
A wire 4.00 m long and 6.00 mm in diameter has a resistance of 15.0 m2. A potential difference of 22.0 v is applied between the ends Resistivity, p Temperature Coefficient of Resistivity, a(K-1) Material (2 m) Typical Metals 41 x 10-3 Silver 1.62 x 10 43 x 10-3 1.69 x 10 Copper 40 x 10-3 2.35 x 10-8 Gold 4.4 x 10 2.75 x 10 Aluminum 4.82 x 10-s 0.002 x 10-3 Manganin 4.5 x 10-3 5.25 x...
A 2.2-mm-diameter and 10-m-long electric wire is tightly wrapped with a 1-mm-thick plastic cover whose thermal...
A 2.2-mm-diameter and 10-m-long electric wire is tightly wrapped with a 1-mm-thick plastic cover whose thermal conductivity is k0.15 W/m-K. Electrical measurements indicate that a current of 13 A passes through the wire and there is a voltage drop of 8 V along the wire. If the insulated wire is exposed to a medium at T 30°C with a heat transfer coefficient of h 24 W/m2 K, determine the temperature at the interface of the wire and the plastic cover...
3. a) A tungsten wire of length 20.0 m, initially at temperature 20.0°C, has a diameter of 2.00 mm. The potential difference across the whole wire is 180 V. Determine the current intensity in the wire b) Due to ohmic losses, the wire is heated up to 60.0°C, but the potential difference through the wire remains the same. Find the resulting current intensity. Note: po = 5,6x10 82 m, a=4.5x10(°C)
A wire 3.66 m long and 6.77 mm in diameter has a resistance of
21.7 m?. A potential difference of 17.5 V is applied between the
ends. (a) What is the current in amperes in the wire?
(b) What is the magnitude of the current density? (c)
Calculate the resistivity of the material of which the wire is
made.
(a)
Number
Units
(b)
Number
Units
(c)
Number
Units
A wire 3.66 m long and 6.77 mm in diameter has a...
problem
A wire 4.00 m long and 6.00 mm in diameter has a resistance of 15.0 m2. A potential difference of 22.0 v is applied between the ends Resistivity, p Temperature Coefficient of Resistivity, a(K-1) Material (2 m) Typical Metals 41 x 10-3 Silver 1.62 x 10 43 x 10-3 1.69 x 10 Copper 40 x 10-3 2.35 x 10-8 Gold 4.4 x 10 2.75 x 10 Aluminum 4.82 x 10-s 0.002 x 10-3 Manganin 4.5 x 10-3 5.25 x...
A 2.2-mm-diameter and 10-m-long electric wire is tightly wrapped with a 1-mm-thick plastic cover whose thermal conductivity is k0.15 W/m-K. Electrical measurements indicate that a current of 13 A passes through the wire and there is a voltage drop of 8 V along the wire. If the insulated wire is exposed to a medium at T 30°C with a heat transfer coefficient of h 24 W/m2 K, determine the temperature at the interface of the wire and the plastic cover...
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