OII na Teorica

Italiano (Italy)

Theory A2-1 Italiano (Italy) La fisica di un forno a microonde - Foglio risposte Parte A: La struttura e il funzionamento di un magnetron (6.6 punti) A.1 (0.4 pt)

$f_{\text{est}}=$ A.2 (1.5 pt)

1. Per $\vec{u}(0)=(3E_0/B_0)\hat{x}$, si ha ${\vec{u}}_D=$

2. Per $\vec{u}(0)=-(3E_0/B_0)\hat{x}$, si ha ${\vec{u}}_D=$

A.3 (0.4 pt)

$r=$

Theory A2-2 Italiano (Italy) A.4 (1.2 pt) punto verso l’anodo verso il catodo perpendicolare al raggio A B C D E A.5 (1.2 pt) punti l’angolo diminuisce l’angolo aumenta variazione indeterminata AB BC CA DE EF DF

Theory A2-3 Italiano (Italy) A.6 (0.8 pt) ${\omega }_s=$ A.7 (1.1 pt)

$V_0=$ Parte B: L’interazione della radiazione a microonde con le molecole d’acqua (3.4 punti)

Theory A2-4 Italiano (Italy) B.1 (0.5 pt)

$\tau (t)=$

$H_i(t)=$ B.2 (0.5 pt)

$⟨H(t)⟩=$ B.3 (1.1 pt)

$I(z)=$ B.4 (0.6 pt)

$\beta =$ B.5 (0.7 pt) $z_{1/2}=$ materiale $z_{1/2}$ aumenta con la temp. $z_{1/2}$ diminuisce con la temp. $z_{1/2}$ resta invariato acqua zuppa

Topic: Electromagnetism, Magnetism, Oscillations & Waves Metodi: Lorentz Force Analysis, Simple Harmonic Motion Analysis, Physical Modeling Competenze: Mathematical Modeling, Physical Reasoning, Diagrammatic Reasoning Objects: — Fonte: Testo (PDF) — p.1 Soluzione: Soluzioni (PDF)

The Commission shall adopt delegated acts in accordance with Article 21 of Regulation (EC) No 1224/2009.

Theory A2-1 Italian (Italy) The physics of a microwave oven - Sheet answers Part A: The structure and function of a magnetron (6.6 points) A.1 (0.4 pt)

$f_{\text{est}}=$ A.2 (1.5 pt)

1. For $\vec{u}(0)=(3E_0/B_0)\hat{x}$, you have ${\vec{u}}_D=$

2. For $\vec{u}(0)=-(3E_0/B_0)\hat{x}$, you have ${\vec{u}}_D=$

A.3 (0.4 pt)

$r=$

Theory A2-2 Italian (Italy) A.4 (1.2 pt) point towards the anode to the cathode Perpendicular to the radius A B C D E A.5 (1.2 pt) points The angle decreases The angle increases Indeterminate change AB BC CA DE EF DF

Theory A2-3 Italian (Italy) A.6 (0.8 pt) ${\omega }_s=$ A.7 (1.1 pt)

$V_0=$ Part B: Interaction of microwave radiation with water molecules (3.4 points)

Theory A2-4 Italian (Italy) B.1 (0.5 pt)

$\tau (t)=$

$H_i(t)=$ B.2 (0.5 pt)

$⟨H(t)⟩=$ B.3 (1.1 pt)

$I(z)=$ B.4 (0.6 pt)

$\beta =$ B.5 (0.7 pt) $z_{1/2}=$ Other materials $z_{1/2}$ increases over time. $z_{1/2}$ decreases over time. $z_{1/2}$ remains unchanged water Soup

Topic: Electromagnetism, Magnetism, Oscillations & Waves Metodi: Lorentz Force Analysis, Simple Harmonic Motion Analysis, Physical Modeling Competenze: Mathematical Modeling, Physical Reasoning, Diagrammatic Reasoning Objects: — Fonte: Testo (PDF) — p.1 Soluzione: Soluzioni (PDF)