1
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
"The sum of emf's and potential differences around a closed loop equals zero" is a consequence of
A
Ohm's law
B
conservation of chrage
C
conservation of momentum
D
conservation of energy
2
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
A student measures certain lengths using a meter scale having least count equal to 1 mm. Which one of the following measurement is more precise?
A
0.50 mm
B
29.07 mm
C
0.925 mm
D
910 mm
3
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
If the work done on the system or by the system is zero, then which one of the following statement for a gas kept at a certain temperature is correct?
A
Change in internal energy of the system is equal to flow of the hat in or out of the system.
B
Change in internal energy of the system is less than heat transferred.
C
Change in internal energy of the system is more than the heat flow.
D
Cannot be detrmined.
4
NDA 2019 Paper 2
MCQ (Single Correct Answer)
+2.5
-0.83
Consider the following part of an electric circuit.

Image

The total electrical resistance in the given part of the electric circuit is
A
$${{15} \over 8}$$$$\Omega$$
B
$${{15} \over 7}$$$$\Omega$$
C
$${15}$$$$\Omega$$
D
$${{17} \over 3}$$$$\Omega$$
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