Home
Class 12
PHYSICS
A current of 2 mA is passed through a co...

A current of 2 mA is passed through a colour coded carbon resistor with first, second and third rings of yellow, green and orange colours. What is the voltage drop across the resistor ?

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    SL ARORA|Exercise Problems From Competitive|18 Videos
  • CURRENT ELECTRICITY

    SL ARORA|Exercise Problems For Self|101 Videos
  • CHEMICAL EFFECT OF CURRENT

    SL ARORA|Exercise TYPE-B|5 Videos
  • ELECTRIC POTENTIAL AND ELECTRIC FLUX

    SL ARORA|Exercise Problems for self practive|61 Videos

Similar Questions

Explore conceptually related problems

A current of 5mA is passed through a colour coded carbon resistor with first, second and third rings of black, brown and red. What is the voltage drop across the resistor ?

A voltage of 30 V is applied across a colour coded carbon resistor with first, second and third rings of blue, black and yellow colurs. What is the current flowing through the resistor ?

Explain colour code for carbon resistors with illustrations.

A carbon resistor is marked in colour bands of red, black, orange and silver. What is the resistance and tolerance value of the resistor?

A current of 200mA flows through a 4k Omega resistor. What is the p.d. across the resistor?

A resistore with a current of 3 A through it converts 500 J or electrical energy to heat energy in 12 s. What is the voltage across the resistor ?

A voltage of 30V is applied across a carbon resistance with first, second and third strips or bonds. Find the value of current through the resistance.

Calculate the voltage across a colour-coded carbon resistor with colours yellow, green and brown in a sequence if current of 1mA is passed through it .

SL ARORA-CURRENT ELECTRICITY-Problems For Self
  1. A current of 2 mA is passed through a colour coded carbon resistor wit...

    Text Solution

    |

  2. One billion electrons pass from a point P towards another point Q in 1...

    Text Solution

    |

  3. Calculate the number of free electrons passing through the filament of...

    Text Solution

    |

  4. In the electrolysis of silver chloride, a charge of 4xx10^(5) C is flo...

    Text Solution

    |

  5. In a hydrogen atom, the electron makes about 0.6xx10^(16) revolutions ...

    Text Solution

    |

  6. An electron gun emits 2.0xx10^(16) electrons per second. What is the a...

    Text Solution

    |

  7. An electric current of 2.0 mu A exists in a discharge tube. How much c...

    Text Solution

    |

  8. An electron moves in a circular orbit of radius 10 cm with a constant ...

    Text Solution

    |

  9. The current through a wire depends on time as I=I(0)+alpha t, where I(...

    Text Solution

    |

  10. A current of 4.8 A is flowing in a copper wire of cross-sectional area...

    Text Solution

    |

  11. A voltage of 30 V is applied across a colour coded carbon resistor wit...

    Text Solution

    |

  12. The sequence of bands marked on a carbon resistor is yellow , red oran...

    Text Solution

    |

  13. The resistance of a conductivity wire of length 1.1 m and of diameter ...

    Text Solution

    |

  14. A metal wire of specific resistance 64xx10^(-6) Omega m and length 1.9...

    Text Solution

    |

  15. A negligbly small current is passed through a wire of length 15 cm and...

    Text Solution

    |

  16. Calculate the resistance of a 2 m long nichrome wire of radius 0.321 m...

    Text Solution

    |

  17. Find the resistance of a hollow cylindrical conductor of length 1.0m a...

    Text Solution

    |

  18. Calculate the electric field in a copper wire of cross-sectional area ...

    Text Solution

    |

  19. A given copper wire of resistance R is stretched to reduce its diamete...

    Text Solution

    |

  20. What will be the change in resistance of a constantan wire when its ra...

    Text Solution

    |

  21. A wire of resistance 10 Omega is drawn out so that its length is thric...

    Text Solution

    |