CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 370 - 373 of 463

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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 Equation and Equation , respectively, then – (June)

Question number: 370 (1 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 371 (2 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 372

» Atomic & Molecular Physics » LS & JJ Couplings

Appeared in Year: 2012

MCQ▾

Question

The ground state of Equation nucleus has spin – parity Equation , while the first excited state has Equation . The electromagnetic radiations emitted when the nucleus makes a transition from the first excited state to the ground state are, (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 373

» Thermodynamic and Statistical Physics » Thermodynamic Potentials

Appeared in Year: 2011

MCQ▾

Question

A heater and a thermocouple are used to measure and control temperature T of a sample at Equation . A feedback circuit supplies power ‘P’ to the heater according to the equation Equation with approximately tuned values of coefficients G and D. In order to maintain temperature stability in the presence of an external heat perturbation which causes small but rapid fluctuation of temperature, it is necessary to, (December)

Choices

Choice (4) Response

a.

Decrease G

b.

Increase G

c.

Increases D

d.

Decrease D

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