At what frequency will the Inductive Reactance of 44. mH be equal to the Capacitive Reactance of a 27. pF capacitor?
What will be an ideal response?
0.15 MHz
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As you found in Part A, early Mars had both core convection and a strong magnetosphere. What is the connection between these two things?
a. Both core convection and a magnetosphere can exist only a very young planet. b. Core convection creates volcanism and outgassing, the gas creates the magnetosphere. c. Core convection helps generate a magnetic field, and the magnetic field creates the magnetosphere. d. Both core convection and a magnetosphere are consequences of a strong greenhouse effect.
The unit of electric charge, the coulomb, is the charge on a
A) single electron. B) specific large number of electrons. C) neutron. D) specific number of neutrons. E) quark.
A conducting sphere of radius 20.0 cm carries an excess charge of +15.0 µC, and no other charges are present. (k = 1/4??0 = 8.99 × 109 N ? m2/C2 )
The potential (relative to infinity) due to this sphere at a point 12.0 cm from its center is closest to A) zero. B) 674 kV. C) 1130 kV. D) 3380 kV. E) 9380 kV.
A series circuit consists of three identical lamps connected to a battery as shown in Figure OQ28.15. The switch S, originally open, is closed. What then happens to the brightness of lamp B?