Revision Thermodynamics Formula sheet Formula sheet Formula sheet
- Slides: 50
Revision : Thermodynamics
Formula sheet
Formula sheet
Formula sheet
Thermodynamics key facts (1/9)
Thermodynamics key facts (2/9)
Thermodynamics key facts (3/9)
Thermodynamics key facts (4/9) • Conduction is heat energy transfer by direct molecular contact Heat transfer
Thermodynamics key facts (5/9) • Convection is heat energy transfer by the bulk flow of material
Thermodynamics key facts (6/9) • Radiation is heat energy transfer by emission of electromagnetic radiation
Thermodynamics key facts (7/9)
Thermodynamics key facts (8/9) • Kinetic theory of ideal gas • Pressure is due to molecular collisions • Average kinetic energy of molecules depends on temperature
Thermodynamics key facts (9/9)
Practice exam questions: Section A Option C Option B
Practice exam questions: Section A Heat energy loss is by conduction – option B
Practice exam questions: Section A Fractional expansion is the same – option A Reflects radiation – option A
Practice exam questions: Section B
Practice exam questions: Section B
Practice exam questions: Section B
Practice exam questions: Section C
Practice exam questions: Section C
Practice exam questions: Section C
Practice exam questions: Section C
Next steps • Make sure you are comfortable with unit conversions • Review thermodynamics key facts • Familiarize yourself with thermodynamics section of the formula sheet • Try questions from the sample exam papers on Blackboard and/or the textbook
Revision : Electricity
Formula sheet
Formula sheet
Electricity key facts (1/9)
Electricity key facts (2/9)
Electricity key facts (2/9) • Superposition principle for Coulomb’s Law : if there are multiple charges, the forces from individual charges sum like vectors +ve +ve
Electricity key facts (3/9) Positive charge feels force along electric field line Negative charge feels force the other way
Electricity key facts (4/9)
Electricity key facts (5/9) Same current flows through all components of a series circuit Same voltage is dropped over all components of a parallel circuit
Electricity key facts (6/9)
Electricity key facts (6/9) • Resistances may be combined in series or parallel [R increases] [R decreases]
Electricity key facts (7/9)
Electricity key facts (8/9)
Electricity key facts (9/9) • General circuits may be analysed using Kirchoff’s rules Kirchoff’s junction rule : the sum of currents at any junction is zero • Signs are different for inward/outward current • This rule arises from conservation of charge
Electricity key facts (9/9) Kirchoff’s loop rule : the sum of voltage changes around a closed loop is zero
Practice exam questions: Section A
Practice exam questions: Section A Decreases – option B
Practice exam questions: Section B
Practice exam questions: Section B
Practice exam questions: Section B
Practice exam questions: Section C
Practice exam questions: Section C
Practice exam questions: Section C
Practice exam questions: Section C
Practice exam questions: Section C
Final words • Thanks to all students for their efforts in the Introduction to Physics course • Please fill in feedback surveys! • Good luck in the upcoming exams!
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