Sparks Academy
SPARKS ACADEMY
Online Test Series
8190879379 Chennai

Mechanical - 540 UNIT 5 Basic Electricity - MCQ

51)   

Which of the following is used to generate electricity?

A.
B.
C.
D.
Answer: B
52)   

What is the formula for Ohm’s law?

A.
B.
C.
D.
Answer: A
53)   

What kind of energy is stored in a battery? 

A.
B.
C.
D.
Answer: C
54)   

Which instrument is used to measure voltage?

A.
B.
C.
D.
Answer: B
55)   

 Which material is the best conductor of electricity? 

A.
B.
C.
D.
Answer: D
56)   

What is the function of an earth wire?

A.
B.
C.
D.
Answer: C
57)   

Which of these is not a source of DC?

A.
B.
C.
D.
Answer: D
58)   

The total current in a parallel circuit is...? 

A.
B.
C.
D.
Answer: B
59)   

SI unit of current is...?

A.
B.
C.
D.
Answer: C
60)   

Which of the following is used to store charge? 

A.
B.
C.
D.
Answer: C
61)   

 What does AC stand for in electricity? 

A.
B.
C.
D.
Answer: C
62)   

What is the frequency of AC power in India?

A.
B.
C.
D.
Answer: A
63)   

Which one is an insulator?

A.
B.
C.
D.
Answer: B
64)   

What is the power if current = 2 A and voltage = 12 V?

A.
B.
C.
D.
Answer: A
65)   

Horsepower (HP) is equal to...? 

A.
B.
C.
D.
Answer: C
66)   

Electric bell works on the principle of...?

A.
B.
C.
D.
Answer: A
67)   

 In a parallel circuit, the voltage across each branch is...?

A.
B.
C.
D.
Answer: A
68)   

What is mutual induction?

A.
B.
C.
D.
Answer: C
69)   

What is the role of fuse in a circuit?

A.
B.
C.
D.
Answer: C
70)   

Which of the following quantities remains the same in a series connection?

A.
B.
C.
D.
Answer: B
71)   

The device used to convert mechanical energy into electrical energy is...? 

A.
B.
C.
D.
Answer: B
72)   

Which law relates current, voltage, and resistance?

A.
B.
C.
D.
Answer: B
73)   

Which unit is used to measure electrical energy commercially?

A.
B.
C.
D.
Answer: C
74)   

What is the symbol of resistance?

A.
B.
C.
D.
Answer: C
75)   

Which component controls the amount of current in a circuit?

A.
B.
C.
D.
Answer: A