Earth as a Magnet, Static and Current Electricity NDA Questions

NDA Physics

Earth as a Magnet, Static and Current Electricity MCQ Questions

7.
Which of the following materials is a good insulator?
A.
Copper
B.
Aluminum
C.
Glass
D.
Silver
ANSWER :
C. Glass
8.
Which type of circuit has only one path for the flow of electric current?
A.
Series circuit
B.
Parallel circuit
C.
Combination circuit
D.
Complex circuit
ANSWER :
A. Series circuit
9.
What is the resistance of a superconductor at very low temperatures?
A.
High
B.
Low
C.
Zero
D.
Variable
ANSWER :
C. Zero
10.
Which of the following is used to store electric charge?
A.
Capacitor
B.
Inductor
C.
Resistor
D.
Diode
ANSWER :
A. Capacitor
11.
A device that converts mechanical energy into electrical energy is called
A.
Generator
B.
Motor
C.
Battery
D.
Resistor
ANSWER :
A. Generator
12.
Which of the following is a unit of electric power?
A.
Ohm
B.
Volt
C.
Ampere
D.
Watt
ANSWER :
D. Watt