True or false on current electricity

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Ohm's law says V equals R times I.

2. Statement is true

   No

   Statement

   Resistivity depends on the conductor's shape.

3. Statement is true

   Yes

   Statement

   Drift velocity is independent of time.

4. Statement is true

   No

   Statement

   Every material obeys Ohm's law.

5. Statement is true

   Yes

   Statement

   A Wheatstone bridge uses four resistors.

6. Statement is true

   Yes

   Statement

   A galvanometer detects current.

Instructions

Decide whether each statement is true or false.

Explanation