BASIC ELECTRICAL EQUIPMENTS AND SENSORS - Practice Mode

1) What is the name of the electro mechanical device having insulated wire wound over a solid iron core?

Motor Solenoid Transformer Inductor

Correct Answer: Solenoid

2) Which rule determines the direction of motion of the conductor in D.C. motor?

Fleming's right hand rule Fleming's left hand rule Marewells right hand grip rule Cork's screw rule

Correct Answer: Fleming's left hand rule

3) Which law states the working principle of the generator?

Lenz's law Ohm's law Faraday's law of electro magnetic induction Kirchhoff's law

Correct Answer: Faraday's law of electro magnetic induction

4) What is the component have the same physical dimensions of MCBs but cannot be used for automatic tripping?

Fuse Isolator Starter Relay

Correct Answer: Isolator

5) Which is the technology used by photo electric sensors for sensing the target?

Inductive Capactive Photo electric Ultra sonic

Correct Answer: Photo electric

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