NEET · Physics · Right-Hand Rules

Exercise and reference answers

Matching pairs

1. A

   Curl of fingers — direction of B around a wire

   B

   Right-hand grip rule

2. A

   Thumb along v, fingers along B

   B

   Force on a moving + charge: F = qv×B

3. A

   Curl of fingers along current loop

   B

   Direction of magnetic moment

4. A

   Palm push, thumb along F

   B

   Fleming's left-hand rule (motor)

5. A

   Index = motion, middle = field, thumb = current

   B

   Fleming's right-hand rule (generator)

6. A

   Induced EMF opposes the change

   B

   Lenz's law

Instructions

Flip cards to match each hand-rule cue to its name.