Homework 16

# Homework 16 - lim(kl9356 – Homework 16 – Weathers...

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Unformatted text preview: lim (kl9356) – Homework 16 – Weathers – (22202) 1 This print-out should have 14 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The plane of a rectangular coil of dimension 5 cm by 8 cm is perpendicular to the direction of a magnetic field B . The coil has 171 turns and a total resistance of 10 . 3 Ω. At what rate must the magnitude of B change in order to induce a current of 0 . 0368 A in the windings of the coil? Answer in units of T / s. 002 (part 1 of 2) 10.0 points The counter-clockwise circulating current in a solenoid is increasing at a rate of 9 . 44 A / s. The cross-sectional area of the solenoid is 3 . 14159 cm 2 , and there are 330 turns on its 12 . 2 cm length. What is the magnitude of the induced E produced by the increasing current? Answer in units of mV. 003 (part 2 of 2) 10.0 points Choose the correct statement 1. The E attempts to move the current in the solenoid in the clockwise direction 2. Not enough information is given to deter- mine the effect of the E 3. The E does not effect the current in the solenoid 4. By the right hand rule, the E produces magnetic fields in a direction perpendicular to the prevailing magnetic field 5. The E tries to keep the current in the solenoid flowing in the counter-clockwise di- rection 004 10.0 points An 18 . 6 turns circular coil with radius 9 . 56 cm and resistance 6 . 87 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression...
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Homework 16 - lim(kl9356 – Homework 16 – Weathers...

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