A series RLC circuit attached to a 120 V/60 Hz power line draws 1.80 A of current with a power factor of 0.940. What is the value of the resistor?

The magnetic field in the figure is decreasing at the rate 0.55 T/s.  (e = 1.60 x10-19 C, mproton = 1.67×10-27 kg) a) What is the magnitude of the acceleration of a proton at rest at point a? What is the direction of acceleration of point a? b) What is the magnitude of the acceleration of a proton at rest at point d? What is the direction of acceleration of point d?

A 19.0 mH inductor is connected across an AC generator that produces a peak voltage of 10.5 V.  a) What is the peak current through the inductor if the emf frequency is 100 Hz? (3 points)   b) What is the peak current through the inductor if the emf frequency is 100 kHz? (3 points)

A 3.0 mH inductor is connected in parallel with a variable capacitor. The capacitor can be varied from 100 pF to 400 pF. a) What is the minimum oscillation frequency for this circuit? (2 points) b) What is the maximum oscillation frequency for this circuit?  (2 points)

A small bar magnet experiences a 2.30×10−2 N

For a science project, you would like to horizontally suspend an 8.5 by 11 inch sheet of black paper in a vertical beam of light whose dimensions exactly match the paper. If the mass of the sheet is 0.80 g, what light intensity will you need? (1 in = 2.54 cm)

A microwave beam with a wavelength of 1.5 cm has an intensity of 30 W/m2. What is the magnetic field amplitude? (

A series RLC circuit attached to a 120 V/60 Hz power line draws 3.00 A of current with a power factor of 0.890. What is the value of the resistor?

Assume that a 7.0 cm diameter, 100 W light bulb radiates all its energy as a single wavelength of visible light. (

A 22.0 nF capacitor is connected across an AC generator that produces a peak voltage of 4.30 V. At what frequency  is the peak current 42.0 mA?