True or false on moving charge

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Conventional current points the way positive charge would flow.

2. Statement is true

   No

   Statement

   Free electrons drift through a metal at nearly the speed of light.

3. Statement is true

   Yes

   Statement

   An electrical signal travels far faster than the charges carrying it.

4. Statement is true

   No

   Statement

   A wire carrying a current has no electric field inside it.

5. Statement is true

   Yes

   Statement

   In salt water both positive and negative charges move.

6. Statement is true

   Yes

   Statement

   One ampere means one coulomb of charge passing every second.

7. Statement is true

   No

   Statement

   A superconductor needs a steady energy supply to keep a current going.

Instructions

Swipe right for true, left for false.

Explanation