Physics Quiz

1. Which of the following statements about magnetic fields is not true? | Magnetic Flux is a vector. | | Changing magnetic fields create electric fields. | | Changing electric fields create magnetic fields. | | The magnetic field cannot do work on a moving charge. | | The magnetic force on a moving charge can be zero. |

2. If you double the current through an inductor, the energy stored in the associated magnetic field increases by a factor of _____. | Two - wrong | | three | | four | | eight | | sixteen |

3. If the North Pole of a magnet is approaching a loop of wire, the loop of wire will create a magnetic field that _____ | attracts the bar magnet - wrong | | repels the bar magnet | | causes the bar magnet to explode. | | converts the bar magnet into a black hole. | | None of the above |

4. Which of the following statements about Electric Guitars is not true? | Electric Guitars utilize Faraday's Law. | | Electric Guitars utilize Lenz's Law. - wrong | | The pickup coils in an Electric Guitar are inductors. | | Jimi Hendrix used an electric guitar when he recorded the album Electric Lady Land released in 1968. | | The pickup coils used in an Electric Guitar store current. |

5. If the current through a solenoid is increasing, there is a voltage drop across the solenoid in the direction of the current. | True | | False |

6. Which of the following types of light has the longest wavelength? | Red. | | Infrared. | | Blue. | | UV. | | Gamma Rays. |

7. Which of the following statements about light is true? | Light waves carry energy. | | Light is electromagnetic radiation. | | High frequency light has more energy than low frequency light. | | Blue light is more energetic than red light. | | All of the above are true. |

8. Which of the following light waves travel the fastest in vacuum? | Radio. | | Visible. |