Physics, 07.03.2020 02:57 KittehMeow6039
My Notes A certain lightbulb has a tungsten filament with a resistance of 21.4 Ω when at 20.0°C and 147 Ω when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature range involved here. Find the temperature of the hot filament.
Answers: 2
Physics, 22.06.2019 03:30
Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.
Answers: 1
Physics, 23.06.2019 05:00
Which of the following is a transformer used for? alternate a voltage produce a voltage increase or decrease a voltage eliminate a voltage
Answers: 1
Physics, 23.06.2019 10:00
What happens to the electrostatic force between two charged particles if the distance between them is doubled?
Answers: 1
Physics, 23.06.2019 21:10
An investigator needs a uniform 30 mt field, which she intends to produce with a solenoid. she takes a long 10-cm-diameter tube and wraps wire along the length of it, wrapping 1200 turns of wire along a 75-cm length of the tube. how much current must she pass through the wire to produce the desired field?
Answers: 3
My Notes A certain lightbulb has a tungsten filament with a resistance of 21.4 Ω when at 20.0°C and...
Biology, 05.09.2019 05:10
Mathematics, 05.09.2019 05:10
Biology, 05.09.2019 05:10
Health, 05.09.2019 05:20
Mathematics, 05.09.2019 05:20
Chemistry, 05.09.2019 05:20
Social Studies, 05.09.2019 05:20
Mathematics, 05.09.2019 05:20