Author Question: When a current flows through an ionic liquid such as salty water, the moving charges are A) only ... (Read 62 times)

neverstopbelieb · **on:** Jul 29, 2018

When a current flows through an ionic liquid such as salty water, the moving charges are

A) only protons.
B) only positive ions.
C) only negative ions.
D) only electrons.
E) both positive and negative ions.

Question 2

A flux of 4.0 10-5 T m2 is maintained through a coil of area 7.5 cm2 for 0.50 s. What emf is induced in this coil during this time by this flux?

A) 8.0 10-5 V
B) 4.0 10-5 V
C) 3.0 10-5 V
D) 2.0 10-5 V
E) No emf is induced in this coil.