# Important Question Answer For HPSSC Electrician Exam Set-3

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1. What kind of magnetic substance is Water ?

Â (A) Ferro magnetic

Â (B) Non magnetic

Â (C) Dia magnetic

Â (D) Para magnetic

2. What will happen if a bar magnet is broken in to two pieces ?

Â (A) Magnetic property will be destroyed

Â (B) One pieces will have only North Pole

Â (C) Each piece will become a separate magnet

Â (D) None of these

3. Three capacitors 25 mfd, 125 mfd and 150 mfd are connected in parallel, find the value of total capacitance.

Â (A) 125 mfd

Â (B) 150 mfd

Â (C) 25 mfd

Â (D) 300 mfd

4. In what direction internally the magnetic lines of force travel in bar magnet ?

Â (A) North to south

Â (B) South to north

Â (C) South to south

Â (D) North to north

5. What is the correct relationship between capacitance (C), voltage (V) and electric charge (Q) ?

Â (A) C = Q/V

Â (B) C = C x Q

Â (C) Q = V/C

Â (D) V = V x Q

6. What is the directional indication of middle finger according to Flemings Right Hand Rule ?

Â (A) direction of Induced emf

Â (B) direction of flux

Â (C) direction of motion

Â (D) direction of force

7. What is the expansion form MMF as regarding of electromagnetism ?

Â (A) magneto moto force

Â (B) magnetic motor force

Â (C) magneto motive force

Â (D) magnetic moto force

8. Which law states that the magnitude of the induced emf is directly proportional to the rate of change of flux linkage ?

Â (A) Faraday's First Law of Electromagnetic Induction

Â (B) Lenz's law

Â (C) Faraday's Second Law of Electromagnetic Induction

Â (D) End rule

9. The property of magnet which opposes magnetic flux through is called

Â (A) Permeability

Â (B) Residual magnetism

Â (C) Reactance

Â (D) Reluctance

10. What is the unit of magnetic flux density ?

Â (A) Ampere-turns

Â (B) Weber

Â (C) Ampere/cm2

Â (D) Web/m2

ðŸ‘‰Important Question Answer For HPSSC Electrician Exam Set-1

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