Home
Class 10
PHYSICS
A current of 0.2 A flows through a condu...

A current of `0.2 A` flows through a conductor of resistance `4.5 Omega`. Calculate the potential difference at the ends of the conductor.

Text Solution

Verified by Experts

The correct Answer is:
0.9 V

`V = IR = (0.2 A)(4.5 Omega) = 0.9 V`.
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    PRADEEP|Exercise (Exemplar)Multiple Choice|18 Videos
  • ELECTRICITY

    PRADEEP|Exercise (Mock Test)Sec -A|21 Videos
  • ELECTRICITY

    PRADEEP|Exercise Value Based Question|4 Videos
  • MAGNETIC EFFECTS OF ELECTRIC CURRENT

    PRADEEP|Exercise Mock Test|21 Videos

Similar Questions

Explore conceptually related problems

If a current of 3 A flows through a wire of resistance 8 ohms, calculate the potential difference applied across its ends.

Current 2 A is flowing through a conductor of resistance 4 Omega . Find the electrical energy consumed is 10 s.

Current 2 A is flowing through a conductor fo resistance 4 Omega . Find the electrical energy consumedin 10 s.

When a current flows through a conductor its temperature

A current of I mA is flowing through a resistance of 1000 Omega . To measure the potential difference across it, a voltmeter should be used whose resistance is

When a current of 0.5 A is passed through two resistance in series, the potential difference between the ends of the series arrangement is 12.5V .On connecting them in parallel and passing the current of 1.5 A , the potential difference between their ends is 6 V, calculate the two resistances.

A current of 1.0 mA is flowing through a potentiometer wire of length 4 m and of resistance 4 Omega , find the potential gradient of potentiometer wire

A potential difference of 3V is applied across a conductor of resistance 1.5 Omega . Calculate the number of electrons flowing through it in one second. Given charge on electron, e=1.6 xx10^(-19)C .

PRADEEP-ELECTRICITY-Problem For Practice
  1. How much work is done in moving a charge of 2 C across two points havi...

    Text Solution

    |

  2. An incandescent lamp of resistance 80 Omega draws a current of 0.75 A....

    Text Solution

    |

  3. A current of 0.2 A flows through a conductor of resistance 4.5 Omega. ...

    Text Solution

    |

  4. A bulb of resistance 400 Omega is connected to 220 V mains. Calculate ...

    Text Solution

    |

  5. An electric heater draws a current of 5 A when connected to 220 V main...

    Text Solution

    |

  6. (a) How much current will an electric bulb draw from a 220 V source, i...

    Text Solution

    |

  7. The potential difference between the terminals of an electric heater i...

    Text Solution

    |

  8. A 4 Omega wire is doubled on it. Calculate the new resistance of the w...

    Text Solution

    |

  9. When a potential difference of 2 V is applied across the ends of a wir...

    Text Solution

    |

  10. What should be the length of a nichrome wire of resistance 4.5 Omega, ...

    Text Solution

    |

  11. A negligibly small current is passes through a wire of length 15 m and...

    Text Solution

    |

  12. A metal wire of resistivity 64 xx 10^-6 ohm cm and length 198 cm has a...

    Text Solution

    |

  13. Calculate the resistivity of the material of a wire 1.0 m long, 0.4 mm...

    Text Solution

    |

  14. The resistivity os copper is 1.76 xx 10^-8 ohm m. The radius of the wi...

    Text Solution

    |

  15. A resistance wire made from German silver has a resistance of 4.25 Ome...

    Text Solution

    |

  16. Resistance of a metal wire of length 1 m is 26 Omega at 20^@ C. If the...

    Text Solution

    |

  17. Calculate the amount of charge that would flow in 2 hours through the ...

    Text Solution

    |

  18. A cylinder of a material is 10 cm long and has a cross-section of 2 cm...

    Text Solution

    |

  19. A piece of wire of resistance 20 Omega is drawn so that its length is ...

    Text Solution

    |

  20. Calculate the area of cross-section of a wire if its length is .0 m, i...

    Text Solution

    |