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# Units

Question | Answer |
---|---|

What is a scalar quantity? | A quantity with magnitude but no direction |

What is a vector quantity? | A quantity with magnitude and direction |

What is the unit of distance? | The meter |

What is the unit of area? | The meter squared |

What is the unit of volume? | The meter cubed |

What is the unit of time? | The second |

What is the unit of frequency? | The hertz |

What is the unit of mass? | The kilogram |

What is the unit of density? | The kilogram per meter cubed |

What is the unit of pressure? | The pascal |

What is the unit of energy? | The joule |

What is the unit of work? | The joule |

What is the unit of power? | The watt |

What is the unit of temperature? | The Kelvin |

What is the unit of electric charge? | The coulomb |

What is the unit of electric current? | The Amp/Coulomb per second |

What is the unit of resistance? | The Ohm |

What is the unit of potential difference? | The volt |

What is the unit of magnetic flux? | The Weber |

What is the unit of magnetic flux density? | The Tesla/ Weber per meter squared |

What is the unit of capacitance? | Farad |

What is the unit of radioactivity? | The Becquerel |

What is the unit of sound intensity? | The watt per meter squared |

What is the unit of sound intensity level? | The decibel |

What is the unit of momentum? | The kilogram meter per second |

What is the unit of moment of a force? | The newton meter |