Electrician 1st Sem – NSQF – Module 5 – Magnetism and Capacitors MOCK TEST July 2, 2025June 19, 2025 by admin TRANSLATE THIS QUIZ IN YOUR LANGUAGE इस प्रश्नोत्तरी का अपनी भाषा में अनुवाद करें <<12345678910111213141516171819202122232425262728293031323334353637>> 0% Question 1 of 37 1. Which property of magnet is illustrated? Saturation property Directive property Induction property Poles existing propertyRate this question: Loading... Question 1 of 37Question 2 of 37 2. How can you increase the pulling strength of an electromagnet? Increase the B-H curve of the material Reduce the number of turns in the coil Increase the field intensity Reduce the current in the coilRate this question: Loading... Question 2 of 37Question 3 of 37 3. Which is the correct expression of capacitance 'C' if the electric charge is 'Q' and the voltage is 'V'? C = V÷Q C = 1÷QV C = QVC = Q÷VRate this question: Loading... Question 3 of 37Question 4 of 37 4. What is the unit of Reluctance? Weber / metre Ampere turns / metre²Weber / metre² Ampere turns / WeberRate this question: Loading... Question 4 of 37Question 5 of 37 5. Which rule is applied to find the direction of magnetic fields in a solenoid coil? Cork screw rule Right hand palm rule Flemings right hand rule Flemings left hand ruleRate this question: Loading... Question 5 of 37Question 6 of 37 6. What is the similar term in magnetic circuit for "conductance" in electrical circuit? Permeability Reluctivity Reluctance PermeanceRate this question: Loading... Question 6 of 37Question 7 of 37 7. What is the effect on surrounding metal placed in a magnetic field? Skin effect Hysteresis Dielectric stress Eddy currentRate this question: Loading... Question 7 of 37Question 8 of 37 8. What will be the change in value of capacitance if the distance of the plates are decreased in the capacitor? Decreases Becomes zero Remains same IncreasesRate this question: Loading... Question 8 of 37Question 9 of 37 9. Which is the diamagnetic substance? Water Platinum Steel AirRate this question: Loading... Question 9 of 37Question 10 of 37 10. Which is the diamagnetic substance? Wood Platinum Nickel ManganeseRate this question: Loading... Question 10 of 37Question 11 of 37 11. What is the effect of inductance if the distance between the turns increases? Decreases Increases Remains same Becomes zeroRate this question: Loading... Question 11 of 37Question 12 of 37 12. What will happen, if the polarized electrolytic capacitor is reversely connected? Value of capacitance will be increased No effect on the capacitor Explode due to excessive heat Current is reduced in the circuitRate this question: Loading... Question 12 of 37Question 13 of 37 13. What is the function of dielectric insulator in capacitor? Increases the strength of capacitance Prevents any current flow between plates Protects from short circuit between the plates Helps to hold the charge in capacitor for long periodRate this question: Loading... Question 13 of 37Question 14 of 37 14. What is the total inductance if 3 inductors (L1, L2 and L3) are connected in series?LT = 1÷L1 + L2 + L3LT = 1÷L1 + 1÷L2 + 1÷L3LT = L1 x L2 x L3LT = L1 + L2 + L3Rate this question: Loading... Question 14 of 37Question 15 of 37 15. Which method of magnetization is used to make commercial purpose permanent magnets? Induction method Single touch method Double touch method Divided touch methodRate this question: Loading... Question 15 of 37Question 16 of 37 16. What precaution to be taken before connecting the different voltage rating capacitors in series? Total capacitors value must be less than the lowest value of capacitor Break down voltage of each capacitor must be same Each capacitors voltage drop must be less than its voltage rating All the capacitors must be same manufacturerRate this question: Loading... Question 16 of 37Question 17 of 37 17. What indicates the shape of a BH curve (Hysteresis loop) of material? Field intensity of the substance Magnetic properties of the material Reluctance of the material Pulling power of the magnetic materialRate this question: Loading... Question 17 of 37Question 18 of 37 18. In which device the air capacitors are used? TV tuner Oscillator Loudspeaker Radio receiverRate this question: Loading... Question 18 of 37Question 19 of 37 19. What is the capacitance value of a capacitor that requires 0.5 coulomb to charge to 35 volt? 0.014 F 0.14 F 0.25 F 0.025 FRate this question: Loading... Question 19 of 37Question 20 of 37 20. What is the S.I unit of Flux density? Ampere-turns Tesla Weber Weber/metreRate this question: Loading... Question 20 of 37Question 21 of 37 21. Which is a paramagnetic substance? Steel Glass Air WaterRate this question: Loading... Question 21 of 37Question 22 of 37 22. Which type of capacitors are used in RF coupling circuit? Metalized poly propylene Monolithic Electrolytic TantalumRate this question: Loading... Question 22 of 37Question 23 of 37 23. Which is the cause for changing the permeability? Magneto motive force Length Field intensity Flux densityRate this question: Loading... Question 23 of 37Question 24 of 37 24. Which electrical quantity is directly proportional to the eddy current? Resistance Voltage Frequency CurrentRate this question: Loading... Question 24 of 37Question 25 of 37 25. Which material is the paramagnetic substance? Bismuth Cleat wiring Copper GraphiteRate this question: Loading... Question 25 of 37Question 26 of 37 26. What is the part marked as 'X' in B.H curve? Residual magnetism Saturation point Coercivity Magnetizing forceRate this question: Loading... Question 26 of 37Question 27 of 37 27. Which factor affects the polarity of the electromagnet? Strength of current Strength of the magnetic field Length of the coil Direction of currentRate this question: Loading... Question 27 of 37Question 28 of 37 28. What is the unit of permeance? Weber/Square metre Weber/Ampere turns Ampere - turns Ampere turns/WeberRate this question: Loading... Question 28 of 37Question 29 of 37 29. Which factor is determining the value of capacitance in capacitor? Shape of the plates Thickness of the plates Area of the plates Material of the platesRate this question: Loading... Question 29 of 37Question 30 of 37 30. Calculate the total capacitance value in the circuit. 70 μF 30 μF 6 μF 0.16 μFRate this question: Loading... Question 30 of 37Question 31 of 37 31. What is the unit of capacitance? Coulomb Henry Farad MhoRate this question: Loading... Question 31 of 37Question 32 of 37 32. Calculate the total value of capacitance of series capacitor circuit. 40μfd 15μfd 4μfd 10μfdRate this question: Loading... Question 32 of 37Question 33 of 37 33. Which defines the flux density is always lagging behind the magnetising force? Magnetic intensity Hysteresis Magnetic induction Residual magnetismRate this question: Loading... Question 33 of 37Question 34 of 37 34. How the value of capacitance can be decreased? Increasing the plate area Increasing the resistance of the plates Using high dielectric constant material Increasing the distance between the platesRate this question: Loading... Question 34 of 37Question 35 of 37 35. Which type of capacitor is used for space electronics? Electrolytic-Aluminium type Ceramic disc type Electrolytic-Tantalum type Plastic film typeRate this question: Loading... Question 35 of 37Question 36 of 37 36. What is the effect of the electrolytic capacitor, if open circuit fault occurs? It will become leaky It will not function It will function normally It will burst at onceRate this question: Loading... Question 36 of 37Question 37 of 37 37. What is the unit of Magneto Motive Force (MMF)?Ampere / M² Ampere - M Ampere / turns Ampere - turnsRate this question: Loading... Question 37 of 37 Loading...