Home
Class 11
PHYSICS
The heat dissipated in a resistance ...

The heat dissipated in a resistance can be determined form the relation : `H = (I^(2)Rt)/(4.2)` cal .
If the maximum errors in the measurement of current , resistance , and time are 2%, 1%, and 1%, what would be the maximum error in the dissipated heat ?

A

0.05

B

0.04

C

0.06

D

`0.5%`

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    TARGET PUBLICATION|Exercise CRITICAL THINKING (MISCELLANEOUS )|3 Videos
  • MEASUREMENTS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING (FUNDAMENTAL AND DERIVED UNITS)|14 Videos
  • MEASUREMENTS

    TARGET PUBLICATION|Exercise CRITICAL THINKING ( ORDER OF MAGNITUDE AND SIGNIFICANT FIGURE)|9 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise MCQs|147 Videos
  • Motion in a plane

    TARGET PUBLICATION|Exercise Exercise|340 Videos

Similar Questions

Explore conceptually related problems

The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in measurement of force and length are respectively 4% and 2%, the maximum error in the measurement of pressure is

The density of a material in the shape of a cube is determined by measuring three sides of the cube and its mass. If the relative errors in measuring the mass and length are respectively 1.5% and 1% , the maximum error in determining the density is:

Resistance of a given wire is obtained by measuring the current flowing in it and the voltage difference applied across it. If the percentage errors in the measurement of the current and the voltage difference are 3% each, then error in the value of resistance of the wire is

The error in the measurement of length (L) of time simple pendulum is 0.1% and the error in the period (T) is 3%. The maximum possible error in the measurement of (L)/(T^(2)) is

Let x={:[(a^(2)b^(2))/(c)]:} be the physical quantity. If the percentage error in the measurement of physical quantities a,b, and c is 2,3 and 4 per cent respectively, then percentage error in the measurement of x is

If the formula for a physical quantity is X=frac(a^4b^3)(c^frac(1)(3)d^frac(1)(2)) and if the percentage error in the measurements of a,b,c and d are 2%, 3%, 3 % and 4% respectively. Calculate percentage error in X.

In the measurement of a physical quantity X = (A^(2)B)/(C^(1//3)D^(3)) . The percentage errors introduced in the measurement of the quantites A,B,C and D are 1%, 3% , 4% and 5% respectively . Then the minimum amount of percenatage of error in the measurment of X is contributed by

The flux in a closed circuit of resistance 50Omega varies with time according to the equation phi=t^2+2t-5wb . What is the induced current in1s?

Magnetic flux in a closed circuit of resistance 20Omega varies with time tin accordance with equation phi = 6t^2-5t +1 . Find the magnitude of induced current at t=0.25 sec.

A projectile has some range R when the maximum height attained by it is either h_1 or h_2 , Then R, h_1 , and h_2 will be related as