
Room setup |

Stuff needed: Knife switch, galvanometers (old & new),
red coils ("large" and "small"), 100kΩ resistor, compass, bar magnet,
wires (two 12", two
24", one 36"/48") |

Resistor holder
with 100 kΩ resistor |

Knife switch with two
banana-to-pin adapters |

Old (left) and new galvanometers
Old one is used when a bolt is placed inside electromagnet |

Coils (large and small) |

Exit Test stuff (set up on right front bench):
galvanometer, yellow coil, "unknown" magnets |

“Unknown” magnets have ends taped up and labeled |

Box O'Bolts place on instructors bench |