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Aptitude Tests > Mechanical Reasoning Tests > Electricity


Questions on electricity usually take the form of simple circuit diagrams.

 

Exampe of Mechanical Reasoning Test-Electrical Circuits

 

These diagrams are usually restricted to showing the power source, switches, loads (typically bulbs), and the path of the wiring. To answer these questions you need a basic understanding of how electricity flows around a circuit.
 

Example Question
1. How many switches need to be closed to light up one bulb?

Exampe of Mechanical Reasoning Test-Electrical Circuits

A) 1

B) 2

C) 3

D)4

 

2. How many bulbs will light up when the switch is closed?
 

Exampe of Mechanical Reasoning Test-Electrical Circuits

A) 1

B) 2

C) 3

D)4

 

3. If bulb 1 is removed, how many bulbs will light up when the switch is closed?

 

Exampe of Mechanical Reasoning Test-Electrical Circuits

A) 1

B) 2

C) 3

D)0

 

 

Answer to Question
1. B – Two switches need to be closed to complete a circuit.
2. D – All 4 bulbs will light up.
3. B – Only bulbs 2 and 4 will light up.

 

 

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