MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 UNIT 5 Basic Electricity
145)
1 kilowatt-hour = ?
A.
B.
C.
D.
146)
Magnetic field strength is measured in...?
A.
B.
C.
D.
147)
What is mutual inductance?
A.
B.
C.
D.
148)
What is the unit of inductance?
A.
B.
C.
D.
149)
Power = ?
A.
B.
C.
D.
150)
The filament of an electric bulb is made of...?
A.
B.
C.
D.
151)
A device that converts electrical energy into mechanical energy is...?
A.
B.
C.
D.
152)
In a household circuit, which color wire is usually the earth wire?
A.
B.
C.
D.
153)
Which of the following is measured in horsepower?
A.
B.
C.
D.
154)
What is the function of a fuse wire?
A.
B.
C.
D.
155)
What is the unit of electric power?
A.
B.
C.
D.
156)
What causes electric shock?
A.
B.
C.
D.
157)
Which device is used to increase voltage?
A.
B.
C.
D.
158)
What type of current is supplied to our homes?
A.
B.
C.
D.
159)
A rheostat is used to...?
A.
B.
C.
D.
160)
Which of the following uses a commutator?
A.
B.
C.
D.