There is a potential difference of 1.1 v between the ends of a 10 cm long graphite rod that has a cross-sectional area of 0.90 mm^2. the resistivity of graphite is 7.5 x 10^-6 ω-m. (a) find the resistance of the rod.
(b) find the current.
(c) find the electric field inside the rod.
Answers: 2
Physics, 22.06.2019 05:00
Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?
Answers: 3
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
Physics, 22.06.2019 08:00
Who was the first scientist to measure speed as distance over time?
Answers: 1
Physics, 22.06.2019 09:00
What is a possible result of higher air temperature caused by global warming
Answers: 1
There is a potential difference of 1.1 v between the ends of a 10 cm long graphite rod that has a cr...
Geography, 20.04.2021 17:40
Mathematics, 20.04.2021 17:40
English, 20.04.2021 17:40
English, 20.04.2021 17:40
Mathematics, 20.04.2021 17:40
History, 20.04.2021 17:40
History, 20.04.2021 17:40
Mathematics, 20.04.2021 17:40
Mathematics, 20.04.2021 17:40
Mathematics, 20.04.2021 17:40
Computers and Technology, 20.04.2021 17:40