MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 UNIT 5 Basic Electricity
177)
A device that allows current in only one direction is...?
A.
B.
C.
D.
178)
What happens to the resistance of a wire when its diameter increases?
A.
B.
C.
D.
179)
In parallel connection, voltage across all components is...?
A.
B.
C.
D.
180)
Electric current is defined as...?
A.
B.
C.
D.
181)
Which quantity is measured in Ohms?
A.
B.
C.
D.
182)
Which metal is used in electric fuse wire?
A.
B.
C.
D.
183)
The commercial unit of electrical energy is...?
A.
B.
C.
D.
184)
Electrical energy is converted into heat in...?
A.
B.
C.
D.
185)
Which one is a non-conductor of electricity?
A.
B.
C.
D.
186)
The resistance of a wire depends on...?
A.
B.
C.
D.
187)
SI unit of magnetic induction is...?
A.
B.
C.
D.
188)
Which instrument is used to measure potential difference?
A.
B.
C.
D.
189)
A transformer works on...?
A.
B.
C.
D.
190)
A 100 W bulb glows brighter than a 40 W bulb because...?
A.
B.
C.
D.
191)
In India, domestic electricity is supplied at...?
A.
B.
C.
D.
192)
The unit of magnetic flux is...?
A.
B.
C.
D.