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MCQ - Mechanical TNPSC JTO
JTO - 542 - Mechanic Electric Vehicle - 542 - Unit III Electrical Circuits and Test their Parameters

1)   

What is the SI unit of electric current?

A.
B.
C.
D.
Answer: C
2)   

What does a voltmeter measure?

A.
B.
C.
D.
Answer: C
3)   

Which instrument is used to measure electrical resistance?

A.
B.
C.
D.
Answer: C
4)   

Multimeter can measure:

A.
B.
C.
D.
Answer: D
5)   

Which of the following is used to protect electrical appliances from short circuits?

A.
B.
C.
D.
Answer: B
6)   

What is the formula of Ohm’s Law?

A.
B.
C.
D.
Answer: A
7)   

Power consumed by an appliance is calculated by:

A.
B.
C.
D.
Answer: B
8)   

The unit of electrical energy is:

A.
B.
C.
D.
Answer: C
9)   

One kilowatt-hour is equal to:

A.
B.
C.
D.
Answer: B
10)   

Ammeter is always connected in:

A.
B.
C.
D.
Answer: A
11)   

Which of the following is a conductor?

A.
B.
C.
D.
Answer: C
12)   

Which of the following is an insulator?

A.
B.
C.
D.
Answer: B
13)   

Resistance of a wire increases with:

A.
B.
C.
D.
Answer: D
14)   

The resistance of a conductor is inversely proportional to:

A.
B.
C.
D.
Answer: B
15)   

The material with least resistance is:

A.
B.
C.
D.
Answer: B
16)   

Which wire color is commonly used for ground connection?

A.
B.
C.
D.
Answer: B
17)   

A ballast resistor is used to:

A.
B.
C.
D.
Answer: B
18)   

Stripping wire insulation means:

A.
B.
C.
D.
Answer: C
19)   

Which cable is used for heavy power transmission?

A.
B.
C.
D.
Answer: D
20)   

The standard color code for live wire is:

A.
B.
C.
D.
Answer: C
21)   

Capacitors store:

A.
B.
C.
D.
Answer: C
22)   

Which device stores energy in magnetic field?

A.
B.
C.
D.
Answer: B
23)   

Capacitors in series have:

A.
B.
C.
D.
Answer: B
24)   

Total capacitance of capacitors in parallel is:

A.
B.
C.
D.
Answer: C
25)   

Cells in series give more:

A.
B.
C.
D.
Answer: A