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6. A 10-turn square coil of area 0.036 m2 and a 20-urn circular coil are both placed perpendicular to the same changing magnetic field. The voltage induced in each of the coils is the same. What is the area of the circular coil? a. 0.072 m2 b. 0.60 m2 c. 0.018 m2 d. 0.036 m 7. An AC voltage source, with a peak output of 200 V, is connected to a 50-2 resistor. What is the rate of energy dissipated due to heat in the resistor? a. 200 W b. 400 W c. 566 W d. 800 W 8. The frequeney in an AC series circuit is doubled. By what factor does this change the capacitive reactance? a. 1/2 b. 1/4 d. 4 9. In an AC circuit, the ratio of the rms current to the maximum current is: a. zero. b. 0.5 c. 0.707. Tripling the wavelength of the radiation from a monochromatic source will change the energy content of the individually radiated photons by about what factor? 10. a. 0.33 b. 1.0 c. 1.73 d. 3.0
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