Multiple-Choice Homework Problem 21.1 In general, what do inductors do in circui

Question

Multiple-Choice Homework Problem 21.1 In general, what do inductors do in circuits? Select One of the Following (a) Inductors store charge (b) Inductors oppose changes in resistance. (c) Inductors oppose changes in potential difference (d) Inductors oppose changes in current. (e) Inductors provide energy to the circuit. Multiple-Choice Homework Problem 21.2 The ATLAS detector at the Large Hadron Collider uses a supercon- ducting magnet to bend charged particles into circular tracks. At the operating current of 21, 000A the magnet stored 1.1 × 109J of energy. what is the inductance of the superconducting solenoid used for the magnet? Select One of the Following (a) 1.2H (b) 2.5H (c) 5.0H (d) 52,000H (e) 100, 000H Multiple-Choice Homework Problem 21.3 Compute the self-inductance of a solenoid that is 60.0cm long with a radius of 3.0mm and is wound with 12000 turns of wire that carry 200.0pA of current. Approximate the solenoid as infinite. Select One of the Following (a) L = 2.4 x 10-2H. (b) L= 1.2 × 10-3H. (c) L = 8.5 x 10-1. (d) L = 7.4 x 10-4H. (e) L = 6.2 × 10-4H. (f) Toby

Explanation / Answer

Since You have asked more than 4 questions at a time so i am writing the final answers to save our time . comment if u need explanation :

Answers are :

21.2 : ans- c

21.3 : ans- c

21.5 : ans- a

21.6 : ans -d

21.7: ans- c

21.9 : ans- a

21.10 ans-c

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