1
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
Evaporation from the surface of a given liquid takes place more rapidly when
A
the temperature is high and the surface area of the liquid is large
B
the temperature is low and the surface area of the liquid is large
C
the temperature is low and the surface area of the liquid is small
D
the temperature is high and the surface area of the liquid is small
2
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33

Which of the following statements correctly explains/explain the existence of a positive force between two electric charges?

1. Both the charges are positive.

2. Both the charges are negative.

3. Both the charges are oppositely charged.

Select the correct answer using the code given below.
A
1 only
B
2 only
C
1 and 2 only
D
1, 2 and 3
3
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
An electric wire of resistance 50 ohm is cut into five equal wires. These wires are then connected in parallel. What is the equivalent resistance of this combination?
A
2 ohm
B
10 ohm
C
0.5 ohm
D
5 ohm
4
NDA General Ability 10 April 2022
MCQ (Single Correct Answer)
+4
-1.33
The electric field lines from an isolated positively charged conducting sphere are
A
tangential to the conducting surface
B
at right angles to the conducting surface and towards the centre of the sphere
C
at any angle to the conducting surface
D
at right angles to the conducting surface and outwards from the centre of the sphere