MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 UNIT 5 Basic Electricity
17)
Which law states that current is directly proportional to voltage?
A.
B.
C.
D.
Answer: D
19)
What is the power of a device that uses 10 A of current at 220 V?
A.
B.
C.
D.
Answer: A
20)
1 Horse Power is equal to how many Watts?
A.
B.
C.
D.
21)
Which material is used in electric fuse wire?
A.
B.
C.
D.
22)
Which instrument measures electric current?
A.
B.
C.
D.
23)
In mutual induction, voltage is induced in...
A.
B.
C.
D.
24)
Resistance depends on which factor?
A.
B.
C.
D.
25)
The rate of doing electrical work is called...
A.
B.
C.
D.
26)
What is the symbol of resistance?
A.
B.
C.
D.
27)
Energy consumed = ?
A.
B.
C.
D.
28)
In series circuit, the total voltage is...
A.
B.
C.
D.
29)
Electrical energy is measured in...?
A.
B.
C.
D.
30)
Which device stores electrical energy?
A.
B.
C.
D.
31)
Which one is a unit of electrical power?
A.
B.
C.
D.
32)
Conductors have...
A.
B.
C.
D.