Home
Class 10
PHYSICS
A current of 200mA flows through a 4k Om...

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

Text Solution

Verified by Experts

The correct Answer is:
800 V
Promotional Banner

Topper's Solved these Questions

  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Very Short Answer Type Questions|1 Videos

  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Short Answer Type Questions|2 Videos

  • ELECTRICITY

    LAKHMIR SINGH & MANJIT KAUR|Exercise Sample Problem|1 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT BOOK|2 Videos

Similar Questions

Explore conceptually related problems

An electric current of 4.0A flows through a 12Omega resistor. What is the rate at which heat energy is produced in the resistor?

Current flowing through 4 Omega resistor is :

A current of 2 A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Omega resistor. The internal resistance of the battery is

A current of 2A flows through a 2 Omega resistor when connected across a battery. The same battery supplies a current of 0.5A when connected across a 9Omega resistor The internal resistance of the battery is

Current through the 5Omega resistor is

A current of 0.1 A flows through a 25 Omega resistor represented by the circuit diagram. The current in the 80 Omega resistor is

LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. The graph between V and I for a conductor is a straight line passing t...

    Text Solution

    |

  2. A p.d. of 10V is needed to make a current of 0.02A flow through a wire...

    Text Solution

    |

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

    Text Solution

    |

  4. What happens to the resistance as the conductor is made thicker?

    Text Solution

    |

  5. If the length of a wire is doubled by taking more of wire, what happen...

    Text Solution

    |

  6. On what factors does the resistance of a conductor depend ?

    Text Solution

    |

  7. Name the material which is the best conductor of electricity.

    Text Solution

    |

  8. Which among iron and mercury is a better conductor of electricity?

    Text Solution

    |

  9. Why are copper and aluminium wires usually used for electricity transm...

    Text Solution

    |

  10. Name the material which is used for making the heating element of an e...

    Text Solution

    |

  11. What is nichrome? State its one use.

    Text Solution

    |

  12. Why is nichrome used as a heating element ?

    Text Solution

    |

  13. Why are coils of electric toasters and electric irons made of an alloy...

    Text Solution

    |

  14. Which has more resistance: (a) a long piece of nichrome wire or shor...

    Text Solution

    |

  15. (a) How does the resistance of a pure metal change if its temperature ...

    Text Solution

    |

  16. Fill in the following blanks with suitable words: Resistance is meas...

    Text Solution

    |

  17. (a) What do you understand by the ''resistivity'' of a substance? (b...

    Text Solution

    |

  18. (a) Write down an expression for the resistance of a metallic wire in ...

    Text Solution

    |

  19. (a) Give two examples of substances which are good conductors of elect...

    Text Solution

    |

  20. Will current flow more easily through a thick wire or a thin wire of t...

    Text Solution

    |