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(32-63) Two rays A and B travel down a cylindrical optical fiber of diameter d=75.0μm, length l=1.0k

0:02:38

(32-18) An object 3.0 mm high is placed 18 cm from a convex mirror of radius of curvature 18 cm. (a)

0:01:49

(31-30) A high-energy pulsed laser emits a 1.0-ns-long pulse of average power 1.8 X 1011W. The beam

0:00:58

(31-15) How long does it take light to reach us from the Sun, 1.50 X 108 km away?

0:01:58

(31-11) The electric field of a plane EM wave is given by E_x=E_0cos(kz+ωt), E_y=E_z=0. Determine

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(31-1) Determine the rate at which the electric field changes between the round plates of a capacito

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(30-64) An LRC circuit has L=4.15mH and R=3.80kΩ. (a) What value must C have to produce resonance at

0:01:55

(30-51) A 2.5kΩ resistor in series with a 420-mH inductor is driven by an ac power supply. At what f

0:01:36

(30-48) A 10.0kΩ resistor is in series with a 26.0mH inductor and an ac source. Calculate the impeda

0:01:04

(30-42) Calculate the reactance of, and rms current in, a 36.0-mH radio coil connected to a 250-V (r

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(30-25) (a) Determine the energy stored in the inductor L as a function of time for the L R circuit

0:01:32

(30-23) How many time constants does it take for the potential difference across the resistor in an

0:02:11

(30-20) Determine the total energy stored per unit length in the magnetic field between the coaxial

0:03:05

(30-18) Calculate the magnetic and electric energy densities at the surface of a 3.0-mm-diameter cop

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(30-15) The magnetic field inside an air-filled solenoid 38.0 cm long and 2.10 cm in diameter is 0.6

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(30-9) A coil has 3.25Ω resistance and 440-mH inductance. If the current is 3.00 A and is increasing

0:02:07

(30-6) How many turns of wire would be required to make a 130-mH inductance out of a 30.0-cm-long ai

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(30-4) A long straight wire and a small rectangular wire loop lie in the same plane, Fig. 30-25. Det

0:02:49

(30-1) A 2.44-m-long coil containing 225 loops is wound on an iron core (average μ=1850μ_0 along wit

0:03:09

(29-54) In a circular region, there is a uniform magnetic field B pointing into the page (Fig. 29-47

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(29-53) Suppose 85 kW is to be transmitted over two 0.100Ω lines. Estimate how much power is saved

0:02:48

(29-50) If 65MW of power at 45kV (rms) arrives at a town from a generator via 3.0Ω transmission line

0:01:38

(29-48) A model-train transformer plugs into 120-V ac and draws 0.35 A while supplying 7.5 A to the

0:03:58

(29-35) A short section of wire, of length a, is moving with velocity v, parallel to a very long wir