1
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following statements is correct with regard to the material of electrical insulators?
A
They contain no electrons.
B
Electrons do not flow easily through them.
C
They are crystals.
D
They have more number of electrons than the protons on their surface.
2
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following physical quantities does not affect the resistance of a cylindrical resistor?
A
The current through it.
B
Its length.
C
The resistivity of the material used in the resistor.
D
The area of cross-section of the cylinder.
3
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
Which one of the following is the correct relation between frequency f and angular frequency $$\omega$$ ?
A
f = $$\pi$$$$\omega$$
B
$$\omega$$ = 2$$\pi$$f
C
f = 2$$\omega$$/$$\pi$$
D
f = 2$$\pi$$$$\omega$$
4
NDA 2017 Paper 1
MCQ (Single Correct Answer)
+2.5
-0.83
A Kelvin thermometer and a Fahrenheit thermometer both give the same regarding for a certain sample. What would be the corresponding reading in a Celsius thermometer?
A
574
B
301
C
273
D
232
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