NDA Exam I 2016 – 17th April 2016
(Science)

1. Which of the following is a conductor of electricity?
A. Silver
B. Copper
C. Alluminium
D. All the above.
Ans: D

2. What should be present in a substance to make it a conductor of electricity?
A. Strongly held electrons
B. Strongly held protons
C. Free electrons
D. Free protons
Ans: C

3. Which instrument is used to measure potential difference?
A. Galvanometer
B. Magnetometer
C. Voltmeter
D. Ammeter
Ans: B

4. Rheostat is the other name of:
A. Fixed resistance
B. Variable resistance
C. Insulator
D. Conductor
Ans: B

5. The law which gives relationship between current and potential difference is called:
A. Ohm’s law
B. Ampere’s law
C. Biot-Savart law
D. Coulomb’s law
Ans: A

6. Semi-conductors are used for making:
A. Solar cells
B. Toasters
C. Geysers
D. Room heaters
Ans: A

7. Coke is a better fuel than coal because it:
A. Produces less heat
B. Leaves residue after burning
C. Doesn’t cause air pollution
D. Can’t be used as domestic fuel
Ans: C

8. Which of the following countries have wind energy farm?
A. Germany
B. Denmark
C. India
D. All of the above
Ans: D

9. Which of the following are non-renewable sources of energy?
A. Uranium
B. Coal
C. Natural gas
D. All of the above
Ans: D

10. Who discovered the magnetic field of current?
A. William Gilbert
B. Hans Christian Oersted
C. Benjamin Franklin
D. Charles Augustin de Coulomb
Ans: B

NDA Exam I 2016: Sample Question Set 1- Polity

NDA Exam I 2016: Sample Question Set 1- Geography