A plasma will conduct electricity
Indicate whether the statement is true or false
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Suppose that at a certain time a quanton has a well-defined position x = 0.15 nm. At that time, we perform an experiment to determine the quanton’s momentum, and find it has a value that corresponds to a de Broglie wavelength of 0.45 nm to a high degree of precision. What can we say about the quanton’s position after the experiment?
A. It is still 0.15 nm. B. It is now 0.45 nm. C. It is now within ±0.45 nm of 0.15 nm. D. It is now undefined but probably close to 0.15 nm. E. It is now completely undefined. F. Other (specify).
Force on a Moving Charge: An electron moving in the +y direction, at right angles to a magnetic field, experiences a magnetic force in the -x direction. The direction of the magnetic field is in the
A. -x direction. B. +x direction. C. +y direction. D. -z direction. E. +z direction.
LR Circuits: A resistor and an inductor are connected in series to a battery. The time constant for the circuit represents the time required for the current to reach
A. 25% of the maximum current. B. 37% of the maximum current. C. 63% of the maximum current. D. 75% of the maximum current. E. 100% of the maximum current.
A scientific model must make an observational prediction
Indicate whether the statement is true or false