Draft:Electrostatic suspension/Quiz

Electrostatic suspension is a lecture in the repellor vehicle series.

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Quiz
{The equation for the ion current is likely to include which of the following? - the mass of the electron - the number of electrons - e to the grain capacitance factor + the dust grain radius - a 4πr factor
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{True or False, A calculation of energy is not possible unless a mass is involved. + TRUE - FALSE
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{Which of the following is not an electron volt? + the angular momentum of the planet Mercury around the Sun - a unit of energy - a quantity that denotes the ability to do work - 1.2 PeV - a unit dimensioned in mass, distance, and time - a unit not based on the Coulomb
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{Which of the following are phenomena associated with electromagnetic cascades? + spectral and timing properties of astronomical sources + very high-energy γ-rays + the way from the source to the Earth - soft X-rays - redshifts + ambient radiation fields inside the γ-ray source - source stability - protons
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{True or False, A unit vector is a direction with a magnitude of one. + TRUE - FALSE
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{Which of the following may not be able to slow down an object entering the heliosphere at 20 km/s? + gravity - electrostatic repulsion - the charge on the surface of the Sun - a comparable charge on the incoming object - electromagnetics - strong forces
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{True or False, For the photosphere to have a net negative charge and interstellar electrons to be streaming into the solar system, the sign of the voltage at the Sun is positive. + TRUE - FALSE
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{True or False, When the magnetic poles of the Sun reverse during the solar cycle, there is a short time in which the polar diameter is greater than the equatorial diameter. + TRUE - FALSE
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{Which of the following are associated with electromagnetics? + angular momentum transfer + solar wind + protons + electrons - the baryon neutrino + charge neutralization
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{Which of the following are associated with the envelope of the polarization current density? + emission of electromagnetic radiation from a superluminal charged particle + intensity of some components decays as the inverse of the distance from the source + non-spherically-decaying sources + emission contains very high frequencies not present in the synthesis of the source + non-spherically decaying components of the radiation do not violate energy conservation + strong electromagnetic fields are compensated by weak fields elsewhere
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{If energy is the impetus behind all motion and activity, which of the following are associated with power? - a launch location + a rate of change of the impetus with time - photon density - an acceleration of the impetus - neutrinos dynamically dominating baryons + a rate of change of mass
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{Complete the text: Match up the radiation mathematics symbol with the radiation phenomena: thermal neutron capture rate - A change in particle diameter - B power law - C Planck constant - D Boltzmann constant - E electrostatic force - F Jeans length - G $$h$$ { D (i) }. $$\lambda_J$$ { G (i) }. $$\varphi_n$$ { A (i) }. $$F_q$$ { F (i) }. $$ax^k$$ { C (i) }. $$k_B$$ { E (i) } $$C_D$$ { B (i) }.
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Hypotheses

 * 1) Questions linking the various fields overlapping electrostatic suspension make differentiating questions.