GATE (Graduate Aptitude Test in Engineering) Physics (PE): Questions 337 - 341 of 1823
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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 and , respectively, then – (June)
Question 337 (1 of 2 Based on Passage)
Appeared in Year: 2011
Question MCQ▾
The uncertainty in the value of resistance is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 338 (2 of 2 Based on Passage)
Appeared in Year: 2011
Question MCQ▾
The uncertainty in the computed value of the power dissipated in resistance is:
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 339
Appeared in Year: 2012
Question MCQ▾
The ground state of nucleus has spin – parity , while the first excited state has . 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. | ||
b. | ||
c. | ||
d. |
Question 340
Appeared in Year: 2011
Question MCQ▾
A heater and a thermocouple are used to measure and control temperature T of a sample at . A feedback circuit supplies power ‘P’ to the heater according to the 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. | Increase G | |
b. | Increases D | |
c. | Decrease G | |
d. | Decrease D |
Passage
A beam of pions is incident on a proton target, giving rise to the process
(June)
Question 341 (1 of 2 Based on Passage)
Appeared in Year: 2011
Question MCQ▾
Assuming that the decay process through strong interactions, the total Isospin and its third component for the decay products, are –
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |