1
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language

Which of the following statements are correct about the electrical resistance and resistivity of a wire?

1. Both quantities depend on the area of cross-section of the wire

2. Both depend on the temperature

3. Resistance of the wire is directly proportional to the resistivity of the wire

4. Resistivity of the wire is directly proportional to the length of the
wire

Select the correct answer using the code given below:

A
1 and 2
B
1 and 3
C
2 and 3
D
2 and 4
2
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
A liquid is heated up to a certain temperature. Which one of the following situation would correspond to the boiling of the liquid?
A
When atmospheric pressure becomes equal to the vapour pressure
B
When atmospheric pressure becomes less than vapour pressure
C
When atmospheric pressure becomes higher than the vapour
pressure
D
When vapour pressure becomes equal to the air pressure
3
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following is NOT an example of organic compound?
A
Ammonium cyanate
B
Marsh gas
C
Urea
D
Cane sugar
4
NDA General Ability 3 September 2023
MCQ (Single Correct Answer)
+4
-1.33
Change Language
Which one of the following acid is used by goldsmith for cleaning of gold and silver articles?
A
Sulphuric acid
B
Nitric acid
C
Hydrochloric acid
D
Phosphoric acid
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