A series circuit containing an inductor and a resistor is driven by a 120-V 60-Hz voltage source. The resistance is equal to 20.0 ? and the inductance is 160 mH. What is the phase angle between the current the the applied voltage?
What will be an ideal response?
The current lags by 72°
You might also like to view...
A person uses corrective glasses of power -8.5 D. (a) Is this person nearsighted or farsighted? (b) If the glasses are worn 2.0 cm from the eye, what is the person's far point without glasses?
What will be an ideal response?
A star with the mass of our Sun will go through several stages of energy generation through fusion. Which sequence accurately describes these stages in the correct order?
a. hydrogen core ? hydrogen shell ? helium shell ? helium core b. hydrogen core ? helium core ? hydrogen shell ? helium shell c. hydrogen core ? hydrogen shell ? helium core ? helium shell ? carbon core d. hydrogen core ? hydrogen shell ? helium core ? helium shell e. hydrogen shell ? hydrogen core ? helium shell ? helium core
Which of the following will allow you to learn something about a transiting planet's atmospheric composition?
A) Compare spectra obtained before and during an eclipse. B) Look for slight variations in the time between transits. C) Use the Doppler method to study the planet throughout a cycle from one transit to the next. D) Calculate the planet's size, and then use size to infer what its atmospheric composition must be.
Bones show up in x ray images because they absorb x rays more efficiently than muscle and other tissues do
Indicate whether the statement is true or false