MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 UNIT 5 Basic Electricity
49)
Resistance increases when...
A.
B.
C.
D.
50)
The commercial unit of electric energy is...
A.
B.
C.
D.
51)
Which of the following is used to generate electricity?
A.
B.
C.
D.
52)
What is the formula for Ohm’s law?
A.
B.
C.
D.
53)
What kind of energy is stored in a battery?
A.
B.
C.
D.
54)
Which instrument is used to measure voltage?
A.
B.
C.
D.
55)
Which material is the best conductor of electricity?
A.
B.
C.
D.
56)
What is the function of an earth wire?
A.
B.
C.
D.
57)
Which of these is not a source of DC?
A.
B.
C.
D.
58)
The total current in a parallel circuit is...?
A.
B.
C.
D.
59)
SI unit of current is...?
A.
B.
C.
D.
60)
Which of the following is used to store charge?
A.
B.
C.
D.
61)
What does AC stand for in electricity?
A.
B.
C.
D.
62)
What is the frequency of AC power in India?
A.
B.
C.
D.
63)
Which one is an insulator?
A.
B.
C.
D.
64)
What is the power if current = 2 A and voltage = 12 V?
A.
B.
C.
D.