A “free” electron and a “free” proton are placed in an identical electric field. Is the following statement true or false?
The magnitude of the acceleration of the electron is greater than that of the proton.
1.False
2.True
2
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Phase Angles: At 1.0 kHz, the phase angle of an RLC series circuit with a capacitive reactance of 40 ?, a resistance of 100 ?, and a certain inductor is 40°. What is the inductance in this circuit?
A. 12 mH B. 120 mH C. 210 mH D. 62 mH E. 20 mH
If you do 10 J of work to push 1 coulomb of charge into an electric field, its voltage with respect to its starting position is
A) less than 10 V. B) 10 V. C) more than 10 V. D) none of the above
The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 10^?10 m. The electric potential created by the proton at the position of the electron is
a. ?13.6 V. b. +13.6 V. c. ?27.2 V. d. +27.2 V. e. +5.12 × 10^9 V.
An automobile gas tank is filled to its capacity of 20.00 gallons with the gasoline at an initial temperature of 10°C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 60°C. If the coefficient of volume expansion for gasoline is 9.6 × 10^-4/°C, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible
a. 1.74 gallons c. 0.72 gallon b. 0.96 gallon d. 0.30 gallon