Home
Class 7
PHYSICS
What is an electric circuit ? Explain wi...

What is an electric circuit ? Explain with the help of a diagram.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • HEAT

    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|101 Videos

Similar Questions

Explore conceptually related problems

How does the magnetic effect of electric current help in the working of an electric bell? Explain with the help of a diagram.

What is meant by viable industry? Explain with the help of a diagram.

What is meant by viable industry? Explain with the help of a diagram.

What is polar coordinates? Explain with the help of diagram.

(a) What is an electric motor ? With the help of a labelled diagram, describe the working of a simple electric motor. (b) What are the special features of commercial electric motors ?

What is the cause of friction ? Explain with the help of labelled diagram.

What type of elastic fuse is used in electrical appliances like car stereos ? Explain with the help of a labelled diagram.

State Ohm's law. How can it be verified experimentally ? Explain with the help of a circuit diagram. Express the result graphically.

LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE
  1. Fill in the following blanks with suitable words : A current-carryin...

    Text Solution

    |

  2. Fill in the following blanks with suitable words : When an electric ...

    Text Solution

    |

  3. What is an electric circuit ? Explain with the help of a diagram.

    Text Solution

    |

  4. Give the names and symbols for any two common electrical components.

    Text Solution

    |

  5. Give the electrical symbols for : a cell

    Text Solution

    |

  6. Give the electrical symbols for : a battery of two cells

    Text Solution

    |

  7. Give the electrical symbols for : a battery of three cells

    Text Solution

    |

  8. Give the electrical symbols for : a battery of four cells

    Text Solution

    |

  9. Draw the electrical symbols for a bulb (or lamp) .

    Text Solution

    |

  10. Draw the electrical symbols for an open switch.

    Text Solution

    |

  11. Draw the electrical symbols for a closed switch.

    Text Solution

    |

  12. Draw a circuit diagram which includes the following : A cell, a bulb...

    Text Solution

    |

  13. Draw a circuit diagram which includes the following : A battery of t...

    Text Solution

    |

  14. Draw the circuit diagram to represent the circuit shown below.

    Text Solution

    |

  15. Name five appliances (or devices) in which electric cells are used.

    Text Solution

    |

  16. State applications of heating effect of electric current.

    Text Solution

    |

  17. When does an electric short-circuit occur?

    Text Solution

    |

  18. Explain the importance of using in a household electric circuit (i) fu...

    Text Solution

    |

  19. How can overloading in the electric circuit be avoided ?

    Text Solution

    |

  20. Explain why, any metal wire or metal strip cannot be used in place of ...

    Text Solution

    |