Judge a dipole sitting in a field

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A dipole in a uniform field feels a turning effect but no net force.

2. Statement is true

   No

   Statement

   The torque on a dipole is largest when it lines up with the field.

3. Statement is true

   Yes

   Statement

   At an angle of zero the dipole sits in stable equilibrium.

4. Statement is true

   No

   Statement

   At one hundred and eighty degrees the dipole sits in stable equilibrium.

5. Statement is true

   Yes

   Statement

   The size of the torque uses the sine of the angle to the field.

6. Statement is true

   No

   Statement

   A uniform field drags a dipole sideways as well as turning it.

Instructions

Tap true or false for each claim about a dipole placed in a uniform electric field.

Explanation