Digital ACT Science Practice Question #1521
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
B doubles as I doubles -> directly proportional.
B = mu0 * n * I. Doubling current from 1.0 to 2.0 A doubles field from 1.26 to 2.51 mT (linear direct proportionality)....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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