Home
Class 12
PHYSICS
What is the largest voltage you can safe...

What is the largest voltage you can safely put across a `98Omega,0.5 W` resistor ?

Text Solution

Verified by Experts

The correct Answer is:
7 V
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - I)|6 Videos
  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - II )|3 Videos
  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Question )|10 Videos
  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos
  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

What highest voltage can you safely put across a 98 Omega - 0.5 W resistor?

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

Two batteries with emf 12 V and 13V are connected in parallel across a load resistor of 10Omega . The internal resistances of the two batteries are 1Omega and 2Omega respectively . The voltage across the load lies between

With a series combination of 1 Omega and 2 Omega resistances another series combination of resistances 5 Omega and 7 Omega cell is joined and the main current of the circuit becomes 0.5 A.What is the terminal potential differences across the 1 Omega resistances?

An alternating voltage given by V=140sin314t is connected across a pure resistor of 50Omega . Find the frequency of the source

An ac voltage of 100V,50Hz is connected across a 20Omega resistor and 2mH inductor in series. Calculate (i) impedance of the circuit (ii) rms current in the circuit.

A storage battery of emf 8.0 V and internal resistance 0.5 Omega is being charged by a 120 V dc supply using a series resistor of 15.5 Omega .What is the terminal voltage of the battery during charging? What is the purpose of using the series resistor in the charging circuit?

A storage battery of emf 8.0V and internal resistance 0.5Omega is being charged by a 120V de supply using a series resistor of 15.5Omega . What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?

A cell of emf 3.4V and internal resistance 3Omega is connected to an ammeter having resistance 2Omega . and to an external resistance of 100Omega . When a voltmeter is connected across the 100Omega resistance the ammeter reading is 0.04A. Find the voltage read by the voltmeter and its resistance. Had the voltmeter been an ideal one what would have been its reading ?

CHHAYA PUBLICATION-ELECTRIC ENERGY AND POWER-EXERCISE (Very Short Answer Type Questions )
  1. A current I flows through a potential drop V across a conductor . What...

    Text Solution

    |

  2. A small heating element connected to 10 V dc supply draws a current of...

    Text Solution

    |

  3. A 220 V - 1000 W electric heater is connected in parallel with a 220 V...

    Text Solution

    |

  4. Two wires having resistances R and 2R are coneected in series . If cu...

    Text Solution

    |

  5. Two wires having resistances R and 2R are coneected in parallel . If...

    Text Solution

    |

  6. A 240 V - 1000 W lamp and a 240 V - 100 W lamp - which of these two ha...

    Text Solution

    |

  7. Two resistances , each of magnitude 2Omega are connected in series a...

    Text Solution

    |

  8. Two resistances , each of magnitude 2Omega are connected in parallel...

    Text Solution

    |

  9. what is the resistances each of an electric bulb marked 220 V -100 W i...

    Text Solution

    |

  10. A 2Omega resistance is connected to a source of constant emf . Another...

    Text Solution

    |

  11. Two resistance are connected in series . If current is made to pass th...

    Text Solution

    |

  12. Two resistance are connected in parallel . If current is made to pass ...

    Text Solution

    |

  13. A 220 V - 100 W lamp and 220 V - 60 W lamp are connected in parallel ...

    Text Solution

    |

  14. A 220 V - 100 W lamp and 220 V - 60 W lamp are connected in series ....

    Text Solution

    |

  15. An electrical lamp os marked 240 V - 60 W . What is the resistance of ...

    Text Solution

    |

  16. A 220 V - 60 W electric lamp os connected to 220 V supply line . Deter...

    Text Solution

    |

  17. Which one of two electrical appliances ,rated 100 W - 200 V and 60W-2...

    Text Solution

    |

  18. What is the largest voltage you can safely put across a 98Omega,0.5 W ...

    Text Solution

    |