1
NDA General Ability 3 September 2023
+4
-1.33
Ram records the odometer readings of his car for the distance covered from 2000 km at the start of his journey and 2400 km at the end of the journey after 8 hours. What is the average speed of the car?
A
50 km/h
B
60 km/h
C
70 km/h
D
80 km/h
2
NDA General Ability 3 September 2023
+4
-1.33
Ms. Rani decides to convert her AC generator into a DC generator. Which one of the following she would need to use?
A
A split-ring type commutator
B
Slip rings and brushes
C
A stronger magnetic field
D
A rectangular wire loop
3
NDA General Ability 3 September 2023
+4
-1.33
Ramesh cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power
A
+ 0.5 D
B
- 0.5 D
C
+ 0.2 D
D
- 0.2 D
4
NDA General Ability 3 September 2023
+4
-1.33

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
EXAM MAP
Medical
NEET