True or false on moving charges

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The Lorentz force uses a vector product.

2. Statement is true

   No

   Statement

   A negative charge feels the same force direction.

3. Statement is true

   Yes

   Statement

   Biot-Savart field falls as inverse square.

4. Statement is true

   No

   Statement

   Ampere's law adds new physics to Biot-Savart.

5. Statement is true

   Yes

   Statement

   A toroid is a solenoid bent into a ring.

6. Statement is true

   No

   Statement

   An ammeter shunt goes in series.

Instructions

Decide whether each statement is true or false.

Explanation