Exámenes de Física II URV 2022
Los 2 exámenes de Física II de la URV (Grado en Química) de 2022 (Juny y Physics Laboratory Exam 2022-2023), con 11 problemas resueltos. Entran temas como Conductors in electrostatic equilibrium and capacitors y Direct current circuits. Practícalos con corrección al momento, pistas en cada apartado y la solución paso a paso.
Juny (2022)
Temas del examen: Conductors in electrostatic equilibrium and capacitors · Direct current circuits
- Ejercicio Problem - Electric charge, electric field and Gau… · Conductors in electrostatic equilibrium and capacitors
A spherical conducting shell with inner radius r1 = 2 cm, outer radius r2 = 4 cm and net charge +3 nC contains a central point charge of -1 nC. Determine the exterior surface charge density on the… - Ejercicio Problem - Electric potential, work and electrosta… · Conductors in electrostatic equilibrium and capacitors
Calculate the electric potential on the internal and external surfaces of the shell, and determine the electric field and electric potential at a distance of 5 cm from the central charge. - Question 1 · Conductors in electrostatic equilibrium and capacitors
State the relationship between charges on corresponding surface elements of conductors in electrostatic equilibrium connected by a field tube and provide a proof. - Question 2 · Direct current circuits
DC circuit with capacitor and batteries. Given a circuit with three EMF sources, resistors, and a capacitor in steady state, calculate the potential difference across the terminals of the 4 V battery…
Physics Laboratory Exam 2022-2023 (2022)
Temas del examen: Oscillations: simple harmonic, damped and forced · Electrostatics: Coulomb, electric field, Gauss's law and potential · Laboratory: measurement, errors, elasticity and fluids
- Question 1 (Pract 2) · Oscillations: simple harmonic, damped and forced
Determine the maximum weight that a spring ($L_0 = 1\text{ m}$, $k = 2\text{ N/m}$) can support without exceeding an elongation of 50% of its initial length. - Question 2 (Pract 3) · Oscillations: simple harmonic, damped and forced
Transcribe experimental period, angular frequency, and amplitude, specifying resonance frequency. Deduce quantitatively the new resonance angular frequency if the spring constant is doubled. - Question 3 (Pract 4) · Laboratory: measurement, errors, elasticity and fluids
Draw the complete schematic diagram representing the experimental setup used during Practice 4. - Question 4 (Pract 5) · Laboratory: measurement, errors, elasticity and fluids
Using the data obtained in the laboratory, justify quantitatively whether the experimental uncertainty related to the weight measurement or that of the diameter measurement has a greater influence… - Question 5.a - Electric potential · Electrostatics: Coulomb, electric field, Gauss's law and potential
Calculate the electric potential at the origin of coordinates (0, 0) due to two point charges q1 = 2 µC at (1, 0) m and q2 = -3 µC at (-1, 0) m. - Question 5.b - Electric field · Electrostatics: Coulomb, electric field, Gauss's law and potential
Find the point along the x-axis (abscissa line) where the net electric field is zero for the two point charges q1 = 2 µC at (1, 0) m and q2 = -3 µC at (-1, 0) m. - Question 6 (Pract 7) · Laboratory: measurement, errors, elasticity and fluids
Complete the circuit diagram corresponding to the setup constructed during Practice 7 in the laboratory.
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- Oscillations: simple harmonic, damped and forced · 11 problemas · 55 % de que salga
- Electrostatics: Coulomb, electric field, Gauss's law and potential · 18 problemas · 50 % de que salga
- Direct current circuits · 15 problemas · 50 % de que salga
- Laboratory: measurement, errors, elasticity and fluids · 6 problemas · 45 % de que salga
- Conductors in electrostatic equilibrium and capacitors · 11 problemas · 40 % de que salga
- Work, mechanical energy and potential energy curves · 9 problemas · 40 % de que salga