Home
Class 11
PHYSICS
The resistance R= (V)/(I), where V= (100...

The resistance `R= (V)/(I)`, where `V= (100+-5.0) V` and `I=(10+-0.2)A`. Find the percentage error in `R`.

Text Solution

Verified by Experts

The percentage error in `V` is `5% `and if 1 it is `2%`.
The total error in R would therefore be
`5%+2%=7%`
Promotional Banner

Topper's Solved these Questions

  • MEASUREMENT AND ERRORS

    DC PANDEY ENGLISH|Exercise Single Correct|14 Videos

  • MAGNETIC EFFECT OF CURRENT AND MAGNETISM

    DC PANDEY ENGLISH|Exercise Integer type Questions|10 Videos

  • MOTION

    DC PANDEY ENGLISH|Exercise Medical entrances gallery|19 Videos

Similar Questions

Explore conceptually related problems

The resistance R = V//i , where V = 100 +- 5 V and I = 10+- 0.2 A . What is the total error in R ?

The resistant R=V/I where V=100+-0.5V and I=10+-0.2A . The percentage error in V is 5% and in I is 2%. Find the total percentage error is R.

If voltage V=(100pm5) V and current I=(10pm0.2) A, the percentage error in resistance R is

When the voltage and current in a conductor are measured as (100pm4 ) V and (5pm0.2 ) A, then the percentage of error in the calculation of resistance is

The voltage and current in a conductor are measured as (50pm2)V and (5pm0.2)A The percentage error in the calculation of resistance is

The resistance of metal is given by V = IR , The voltage in the resistance is V = (8 pm 0.5)V and current in the resistance is I = (2 +- 0.2)A , the value fo resistance with its percentage error is

The value of resistance of an unknown resistor is calculated using the formula R = V//I where V and I are the readings of the voltmeter and the ammeter, respectivley. Consider the circuits below. The internal resistances of the voltmeter and the ammeter (R_V and R_G, respectively) are finite and nonzero. , Let R_(A) and R_(B) be the calculated values in the two cases A and B , respectively. If the resistance of voltmeter is R_(V) = 1k Omega and the percentage error in the measurement of R (the value of R is nearly 10 Omega )is

The resistance of a metal is given by R = V//I , where V is potential difference and I is current . In a circuit , the potential difference across resistance is V = ( 8 +- 0.5) V and current in resistance , I = ( 4 +- 0.2)A . What is the value of resistance with its percentage error?

In Ohm's law experiment , the potential drop acros a resistance was as V = 5.0 V and the current was measured as I = 2.00 A . Find the maximum permissible error in resistance.

In the circuit shown in Fig. the emf of the sources is equal to xi = 5.0 V and the resistances are equal to R_(1) = 4.0 Omega and R_(2) = 6.0 Omega . The internal resistance of the source equals R = 1.10 Omega . Find the currents flowing through the resistances R_(1) and R_(2) .

DC PANDEY ENGLISH-MEASUREMENT AND ERRORS-Subjective
  1. Write down the number of significant figures in the following (a) 6428...

    Text Solution

    |

  2. Write the number of significant digits in the following (a) 1001 (b)...

    Text Solution

    |

  3. State the number of significant figures in the following (a)0.007 m^...

    Text Solution

    |

  4. Round the following numbers to 2 significant digits (a)3472 (b)84.1...

    Text Solution

    |

  5. Perform the following operations (a)703 +7+0.66 (b) 2.21 x 0.3 ...

    Text Solution

    |

  6. Add 6.75 xx (10^3) cm to 4.52 xx (10^2) cm with regard to significant ...

    Text Solution

    |

  7. Evaluate(25.2 xx 1374)/(33.3). All the digits in this expression are s...

    Text Solution

    |

  8. Solve with due regards to significant figures 4.0 xx (10^-4) - 2.5 x...

    Text Solution

    |

  9. The mass of a box measured by a grocer's balance is 2.300kg. Two gold ...

    Text Solution

    |

  10. A thin wire has length of 21.7 cm and radius 0.46 mm. Calculate the v...

    Text Solution

    |

  11. A cube has a side of length 2.342m. Find volume and surface area in co...

    Text Solution

    |

  12. Find density when a mass of 9.23 kg occupies a volume of 1.1m^3. Take ...

    Text Solution

    |

  13. Length, breadth and thickness of a rectangular slab are 4.234 m, 1.005...

    Text Solution

    |

  14. The radius of a sphere is measured to be (2.1+-0.5) cm. Calculate its ...

    Text Solution

    |

  15. The temperature of two bodies measured by a thermometer are (2.1 +-0.5...

    Text Solution

    |

  16. The resistance R= (V)/(I), where V= (100+-5.0) V and I=(10+-0.2)A. Fin...

    Text Solution

    |

  17. Find the percentage error in specific resistance given by rho = (pir^2...

    Text Solution

    |

  18. A physical quantity rho is related to four variables alpha, beta, gamm...

    Text Solution

    |

  19. The period of oscillation of a simple pendulum is T = 2pisqrt(L//g). M...

    Text Solution

    |