A solenoid with 400 turns has a radius of 0.040 m and is 40 cm long. If this solenoid carries a current of 12 A, what is the magnitude of the magnetic field at the center of the solenoid?
A) 16 mT
B) 4.9 mT
C) 15 mT
D) 6.0 mT
E) 9.0 mT
C
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Indicate whether the statement is true or false
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A) 56. B) 88. C) 123. D) 205.
When two or more capacitors are connected in series across a potential difference
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Fill in the blank(s) with correct word