1
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
The amplitude of sound waves is measured in the units of
A
pressure
B
distance
C
time
D
speed
2
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
A current of 0.6 A is drawn by an electric bulb for 10 minutes. Which one of the following is the amount of electric charge that flows through the circuit?
A
6 C
B
0.6 C
C
360 C
D
36 C
3
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
A DC generator works on the principle of
A
Ohm’s law 
B
Joule’s law of heating
C
Faraday’s laws of electromagnetic induction
D
None of the above
4
NDA General Ability 4 September 2022
MCQ (Single Correct Answer)
+4
-1.33
The presence of magnetic field can be determined using which one of the following instruments?
A
Ammeter
B
Voltmeter
C
Magnetic needle
D
Motor