A solenoid with radius (r), number of turns (n), current (i), and length (L) has

Question

A solenoid with radius (r), number of turns (n), current (i), and length (L) has magnetic field strength (B) inside. Rank the magnitude of the magnetic fields, all having radius (r), from smallest to largest, inside the following solenoids. There may be ties. A) Length 2L, current 2i, and number of turns n. B) Length 2L, current i, and number of turns 2n. C) Length L, current 2i and number of turns 2n. D) Length 2L, current i, and number of turns n. E) Length L, current 2i, and number of turns n.

Explanation / Answer

a = 1

b = 1

c = 4

d = 0.5

e = 2

d < a = b < e < c

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