A fully charged 37-µF capacitor is discharged through a 1.0-k? resistor. If the voltage across the capacitor is reduced to 7.6 volts after just 20 ms, what was the original potential across the capacitor?
A) 11 V B) 8.0 V C) 9.0 V D) 16 V E) 13 V
E
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If an ideal gas does positive work on its surroundings, we may assume, with regard to the gas, that its:
a. temperature increases. c. pressure increases. b. volume increases. d. internal energy decreases.
The charge on the proton is the same as
A) the charge on the neutron. B) the charge on the neutron, but of the opposite sign. C) the charge on the atom. D) the charge on the electron. E) the charge on the electron, but of the opposite sign.
If the absolute value of the magnification is larger than one, then the image is
A) larger than the object. B) the same size as the object. C) smaller than the object.
Accelerating electric charges give rise to electromagnetic waves
Indicate whether the statement is true or false