Mathematical Methods of Physics-Dimensional Analysis (CSIR Physical Sciences): Questions 1 - 3 of 3

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Passage

A resistance is measured by passing current through it and measuring the resulting voltage drop. If the voltmeter and the ammeter have uncertainties of 3% and 4% , respectively, then – (June)

Question number: 1 (1 of 2 Based on Passage) Show Passage

» Mathematical Methods of Physics » Dimensional Analysis

Appeared in Year: 2011

MCQ▾

Question

The uncertainty in the computed value of the power dissipated in resistance is:

Choices

Choice (4) Response

a.

9%

b.

7%

c.

5%

d.

11%

Question number: 2 (2 of 2 Based on Passage) Show Passage

» Mathematical Methods of Physics » Dimensional Analysis

Appeared in Year: 2011

MCQ▾

Question

The uncertainty in the value of resistance is:

Choices

Choice (4) Response

a.

5.0%

b.

12.0%

c.

3.5%

d.

7.0%

Question number: 3

» Mathematical Methods of Physics » Dimensional Analysis

MCQ▾

Question

Using dimensional analysis, Plank defined a characteristic temperature TP from powers of the gravitational constant G , Planck’s constant h , Boltzmann constant KB and the speed of light C in vacuum. The expression for TP is proportional to – (June)

Choices

Choice (4) Response

a.

hc5kB2G

b.

hc3kB2G

c.

Ghc4kB2

d.

hkB2Gc3

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