A long solenoid (1000 turns/m) carries a current of 25 mA and has an inside radius of 2.0 cm. A long wire which is parallel to and 4.0 cm from the axis of the solenoid carries a current of 6.0 A. What is the magnitude of the magnetic field at a point on the axis of the solenoid?
A. 51 ?T
B. 61 ?T
C. 43 ?T
D. 81 ?T
E. 1.4 ?T
Answer: C
Physics & Space Science
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In a speedometer test zone on a highway, you drive 4 miles in 5 minutes. During the test, your speedometer reading is 45 mi/hr. Your speedometer reading is
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Fill in the blank(s) with correct word
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