Recent content by rmusial91

Homework Statement To examine a particular blood sample in biology lab, a student uses a compound microscope set to have a magnification of -4530. The objective and eyepiece are both attached to a tube which is 18 cm in length and the eyepiece has a focal length of 2.62 cm. The near point of...

Z= (sqrt R^2 + XL^2) = (sqrt R^2 +(wL)^2) Vrms,R = IrmsR Vrms,L = IrmsXL = Irms(wL) wL= 2pi*f*L these are the formula i used and i solve for f thanks for the help

Homework Statement In the circuit shown, the AC voltage source supplies an rms voltage of 115 V and the circuit has R1 = 3.35 kΩ and L = 39 mH. a) At what frequency will the rms current be 31.33 mA (milliamperes)? Homework Equations irms=vrms / XL The Attempt at a Solution...

nvm i figured it out U=(1/2)CV^2 P=V/T answer was 1718.1818

Homework Statement https://wug-s.physics.uiuc.edu/cgi/courses/shell/common/showme.pl?cc/DuPage/Phys1202/summer/homework/Ch-21-DC-Circuits/flashbulb_circuit/light-bulb.jpg The above shows a simplified circuit for a photographer's flash unit. The circuit consists of a V = 9 V battery...