Quiz7 A - Exam Name_ MULTIPLE CHOICE. Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A uniform electric field is oriented so that it makes a 30.0° angle with a 1.0 - m 2 surface. The electric field is changing with respect to time by a rate of 7.0 V/m · μs. Find the induced displacement current through the surface. A) 54 μA B) 62 μA C) 0.68 μA D) 31 μA 2) An electromagnetic wave has its electric field oriented in the 0.11 i ^ + 0.99 j ^ direction, and the magnetic field is oriented in the - 0.99 i ^ + 0.11 j ^ direction, where i ^ and j ^ are unit vectors in x - and y - directions, respectively. Find the direction in which the wave is propagating. A) - k ^ B) - i ^ C) + k ^ D) j ^ 3) A laser is bounced off an asteroid to determine its distance from earth. If it takes 1800 s for the beam to be detected after the laser is turned on, how far away is the asteroid? A) 6 x 10
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This note was uploaded on 11/18/2011 for the course PHYS 2C PHYS 2C taught by Professor Groisman during the Spring '11 term at UCSD.

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Quiz7 A - Exam Name_ MULTIPLE CHOICE. Choose the one...

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