CLASS10 · Physics · Magnetic Field Rules

Exercise and reference answers

Matching pairs

1. A

   Right-hand thumb rule

   B

   Current straight wire ↔ field direction

2. A

   Right-hand grip rule (solenoid)

   B

   Curl fingers along current; thumb = N pole

3. A

   Maxwell's corkscrew rule

   B

   Conventional current ↔ rotation of corkscrew

4. A

   Fleming's left-hand rule

   B

   Force on current-carrying conductor (motor)

5. A

   Fleming's right-hand rule

   B

   Induced current in a moving conductor (generator)

6. A

   Solenoid's field inside

   B

   Uniform and parallel like a bar magnet's interior

Instructions

Match each electromagnetic rule to its statement.