Experiment A2-1 Italiano (Italy) Legge di Wiedemann-Franz - Foglio Risposte Parte A. Conduttività elettrica di rame, alluminio e ottone (1.5 punti) A.1 (1.0 pt) Tempo di caduta del magnete: Ripetizione Rame Alluminio Ottone A.2 (0.5 pt) Rame Alluminio Ottone Conduttività elettrica Parte B: Conducibilità termica del rame (3.0 punti) B.1 (0.1 pt) Temperatura Barretta #1 :
Experiment A2-2 Italiano (Italy) B.2 (0.5 pt)
B.3 (0.1 pt)
P=
B.4 (0.5 pt) Tempo T1 T2 T3 T4 T5 T6 T7 T8 B.5 (1.0 pt) Disegnare su un foglio di carta millimetrata il grafico della temperatura in funzione della posizione
Experiment A2-3 Italiano (Italy) B.6 (0.5 pt)
κ0 =
B.7 (0.3 pt) Cerchia la risposta corretta:
κ> κ0 o κ< κ0 o κ= κ0
Experiment A2-4 Italiano (Italy) Parte C: Stima della dispersione di calore e del calore specifico del rame (4.0 punti) C.1 (1.0 pt)
Experiment A2-5 Italiano (Italy) C.2 (1.0 pt) Disegnare su un foglio di carta millimetrata il grafico della temperatura in funzione del tempo C.3 (1.0 pt) Espressione:
cp=
Ploss=
Valore:
cp=
Ploss=
C.4 (1.0 pt) Espressione:
κRame=
Valore:
κRame=
Parte D: Conducibilità termica di ottone e alluminio (1.0 punti) D.1 (0.1 pt)
Barretta #2: T=
Experiment A2-6 Italiano (Italy) D.2 (0.2 pt)
Tempo di lettura:
T1 T2 T3 T4 T5 T6 T7 T8 D.3 (0.7 pt)
Espressione:
κAlluminio=
κOttone=
Valore:
κAlluminio=
κOttone=
Parte E: La legge Wiedemann-Franz (0.5 punti) E.1 (0.5 pt) Rame Alluminio Ottone Conduttività elettrica Conducibilità termica Coefficiente di Lorenz
Experiment A2-7 Italiano (Italy)
Experiment A2-8 Italiano (Italy)
Experiment A2-9 Italiano (Italy)
Experiment A2-10 Italiano (Italy)
Experiment A2-11 Italiano (Italy)
Topic: Thermodynamics, Electromagnetism, Magnetism Metodi: Experimental Data Analysis, Faraday’s Law of Induction, Graph Linearization Competenze: Experimental Data Analysis, Graph Linearization, Mathematical Modeling Objects: Magnet, Rod Fonte: Testo (PDF) — p.1 Soluzione: Soluzioni (PDF)
Experiments A2-1 Italian (Italy) The Commission has already adopted a number of proposals for a new directive. Part A. Electrical conductivity of copper, aluminium and brass (1.5 points) A.1 (1.0 pt) Time of fall of the magnet: Repeat Other Other, of a kind used for the manufacture of goods Other, of a kind used for the manufacture of textile materials A.2 (0.5 pt) Other Other, of a kind used for the manufacture of goods Other, of a kind used for the manufacture of textile materials Electrical conductivity Part B: Thermal conductivity of copper (3.0 points) B.1 (0.1 pt) Barrel temperature #1:
Experiments A2-2 Italian (Italy) B.2 (0.5 pt)
B.3 (0.1 pt)
P=
B.4 (0.5 pt) Time T1 T2 T3 T4 T5 T6 T7 T8 B.5 (1.0 pt) Draw a temperature chart on a millimeter sheet of paper according to the position
Experiments A2-3 Italian (Italy) B.6 (0.5 pt)
κ0 =
B.7 (0.3 pt) Look for the right answer:
κ> κ0 o κ< κ0 o κ= κ0
Experiments A2-4 Italian (Italy) Part C: Estimate of heat dispersion and specific heat of copper (4.0 points) C.1 (1.0 pt)
Experiments A2-5 Italian (Italy) C.2 (1.0 pt) Draw a temperature chart on a millimeter sheet of paper C.3 (1.0 pt) Expression:
cp=
The following is the list of the countries of the European Union:
The value:
cp=
The following is the list of the countries of the European Union:
C.4 (1.0 pt) Expression:
The following is the list of the countries of the European Union:
The value:
The following is the list of the countries of the European Union:
Part D: Thermal conductivity of brass and aluminium (1,0 points) D.1 (0.1 pt)
Bar #2: T is equal to
Experiments A2-6 Italian (Italy) D.2 (0.2 pt)
Reading time:
T1 T2 T3 T4 T5 T6 T7 T8 D.3 (0.7 pt)
Expression:
Other materials of heading 8106
Cotton
The value:
Other materials of heading 8106
Cotton
Part E: The Wiedemann-Franz law (0.5 points) E.1 (0.5 pt) Other Other, of a kind used for the manufacture of goods Other, of a kind used for the manufacture of textile materials Electrical conductivity Heat conductivity The Lorenz coefficient
Experiments A2-7 Italian (Italy)
Experiments A2-8 Italian (Italy)
Experiments A2-9 Italian (Italy)
Experiments A2-10 Italian (Italy)
Experiments A2-11 Italian (Italy)
Topic: Thermodynamics, Electromagnetism, Magnetism Metodi: Experimental Data Analysis, Faraday’s Law of Induction, Graph Linearization Competenze: Experimental Data Analysis, Graph Linearization, Mathematical Modeling Objects: Magnet, Rod Fonte: Testo (PDF) — p.1 Soluzione: Soluzioni (PDF)