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What is the relationship between the resistance of a resistor and the efficiency of a basic electrical circuit
Physics
IA
7
HL
Pro
How does the temperature of a metal wire affect its electrical resistivity?
Physics
IA
7
SL
Pro
How does the efficiency of an electric motor vary with different power inputs with the help of joule’s experiment?
Physics
IA
4
HL
The investigation of the influence of temperature on the spring constant of a spring
Physics
IA
5
SL
How do different insulation materials (foam wrap, wool, aluminum foil, bubble wrap, steel) with specific thermal conductivity (k) affect the heat transfer rate (Q/t) in a controlled environment?
Physics
IA
5
HL
Pro
How does the surface area of various beakers affect the time of heat loss of water from 80°C to 40°C under room temperature conditions?
Physics
IA
5
HL
Pro
To what extent does the salt concentration in water affect its specific heat capacity (in J/kg °C) by measuring the temperature change (in °C) in the fixed time (in s)?
Physics
IA
5
HL
Pro
How does the tension of a string affect the number of nodes of a standing wave?
Physics
IA
7
HL
Pro
Research question: How does the length of a string influence the rate of mechanical energy dissipated in a simple pendulum system?
Physics
IA
5
SL
Pro
Comment l’intensité du champ magnétique (en mT) mesuré par un teslamètre varie en fonction de la position d’une sonde (24,22,20,18,16,14,12,10,8,6,4,2,0 cm) le long de l’axe d’une bobine plate parcourue par un courant constant ?
Physics
IA
6
HL
Pro