Lenz's Law: A long straight wire lies on a horizontal table and carries an ever-increasing current toward the north. Two coils of wire lie flat on the table, one on either side of the wire. When viewed from above, the direction of the induced current in these coils is
A. clockwise in both coils.
B. counterclockwise in both coils.
C. clockwise in the east coil and counterclockwise in the west coil.
D. counterclockwise in the east coil and clockwise in the west coil.
Answer: D
You might also like to view...
Which of the following is not a characteristic of the 11-year sunspot cycle?
A) The sunspot cycle is very steady, so that each 11-year cycle is nearly identical to every other 11-year cycle. B) The likelihood of seeing solar prominences or solar flares is higher when sunspots are more common and lower when they are less common. C) The Sun's entire magnetic field flip-flops at the end of each cycle (at solar minimum). D) The number of sunspots on the Sun at any one time gradually rises and falls, with an average of 11 years between the times when sunspots are most numerous.
Significant Figures: What is the quotient of 2.43 ÷ 4.561 expressed to the correct number of significant figures?
A. 5.3278 × 10-1 B. 5.328 × 10-1 C. 5.33 × 10-1 D. 5.3 × 10-1
Comets appear to race across the sky in photographs, but in reality they remain nearly stationary relative to the stars
Indicate whether the statement is true or false
Constant Acceleration Kinematics: A car increases its forward velocity uniformly from 40 m/s to 80 m/s while traveling a distance of 200 m. What is its acceleration during this time?
A. 8.0 m/s2 B. 9.6 m/s2 C. 12 m/s2 D. 24 m/s2