Two loops of wire are arranged so that a changing current in one, the primary, will induce a current in the other, the secondary. The secondary loop has twice as many turns as the primary loop. As long as the current in the primary is steady at 6 A, the current in the secondary will be:
a. 3 A.
c. 6 A.
b. 1.5 A.
d. zero.
D
Physics & Space Science
You might also like to view...
Earth's radius is about
a. 3600 km. b. 5800 km. c. 6400 km. d. 4400 km.
Physics & Space Science
When an atom loses an electron, it becomes
A) sublimated. B) dissociated. C) a plasma. D) an isotope. E) ionized.
Physics & Space Science
Comparing the speed of sound in liquids, gases, and solids, the speed of sound is usually lowest in _____ and highest in _____
a. solids, liquids c. liquids, solids b. gases, liquids d. gases, solids
Physics & Space Science
Observations of type Ia supernovae reveal that the expansion of the universe is speeding up because of the presence of ___________ in empty space
Fill in the blank(s) with correct word
Physics & Space Science