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Mechanical - 540 UNIT 5 Basic Electricity - MCQ

151)   

A device that converts electrical energy into mechanical energy is...?

A.
B.
C.
D.
Answer: C
152)   

 In a household circuit, which color wire is usually the earth wire?

A.
B.
C.
D.
Answer: C
153)   

Which of the following is measured in horsepower? 

A.
B.
C.
D.
Answer: C
154)   

What is the function of a fuse wire?

A.
B.
C.
D.
Answer: B
155)   

What is the unit of electric power? 

A.
B.
C.
D.
Answer: C
156)   

What causes electric shock? 

A.
B.
C.
D.
Answer: B
157)   

Which device is used to increase voltage?

A.
B.
C.
D.
Answer: B
158)   

What type of current is supplied to our homes?

A.
B.
C.
D.
Answer: B
159)   

A rheostat is used to...? 

A.
B.
C.
D.
Answer: C
160)   

 Which of the following uses a commutator?

A.
B.
C.
D.
Answer: B
161)   

What does AC stand for in electricity? 

A.
B.
C.
D.
Answer: C
162)   

What does DC stand for in electricity? 

A.
B.
C.
D.
Answer: B
163)   

 In a DC circuit, current flows in...? 

A.
B.
C.
D.
Answer: C
164)   

The frequency of AC in India is...?

A.
B.
C.
D.
Answer: A
165)   

Which of these is a good conductor of electricity? 

A.
B.
C.
D.
Answer: C
166)   

What is the symbol for resistance in a circuit diagram?

A.
B.
C.
D.
Answer: C
167)   

Which of the following is not a unit of power?

A.
B.
C.
D.
Answer: D
168)   

Which instrument measures current? 

A.
B.
C.
D.
Answer: B
169)   

Which device is used to store electrical energy? 

A.
B.
C.
D.
Answer: C
170)   

 In series connection, the current in all components is...?

A.
B.
C.
D.
Answer: C
171)   

The standard unit of electric charge is...? 

A.
B.
C.
D.
Answer: C
172)   

Electric energy consumed is calculated by...?

A.
B.
C.
D.
Answer: B
173)   

Resistance of a conductor increases with...?

A.
B.
C.
D.
Answer: C
174)   

 The SI unit of EMF (Electro Motive Force) is...?

A.
B.
C.
D.
Answer: C
175)   

What is the resistance of an ideal conductor? 

A.
B.
C.
D.
Answer: B