Lenz's Law: As shown in the figure, two solenoids are side by side. The switch S is initially open. When S is suddenly closed, the direction of the induced current through the resistor R is
A. from a to b.
B. from b to a.
C. No current is induced.
Answer: B
You might also like to view...
Spherical Mirrors: An object is 10 cm in front of a concave spherical mirror with a focal length of magnitude 3.0 cm. Where is the image?
A. 13 cm from the mirror B. 7.0 cm from the mirror C. 4.3 cm from the mirror D. 3.3 cm from the mirror
If 1.0 m3 of concrete weighs 5 × 10^4 N, what is the height of the tallest cylindrical concrete pillar that will not collapse under its own weight? (The compression strength of concrete is 1.7 × 10^7 N/m2.)
The largest volcano on Earth is in ______________
Fill in the blank(s) with correct word
A spectral line produced in the atmosphere of a star may be seen as broad whereas interstellar _______________ lines are very narrow
a. absorption b. continuous c. emission d. All of the other choices are correct.