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. What is the effect of inductance if the distance between the turns increases? Increases Remains same Decreases Becomes zeroRate this question: Loading... Question 1 of 37Question 2 of 37 2. Which method of magnetization is used to make commercial purpose permanent magnets? Induction method Double touch method Single touch method Divided touch methodRate this question: Loading... Question 2 of 37Question 3 of 37 3. How the value of capacitance can be decreased? Using high dielectric constant material Increasing the plate area Increasing the distance between the plates Increasing the resistance of the platesRate this question: Loading... Question 3 of 37Question 4 of 37 4. What is the similar term in magnetic circuit for "conductance" in electrical circuit? Reluctivity Reluctance Permeability PermeanceRate this question: Loading... Question 4 of 37Question 5 of 37 5. What indicates the shape of a BH curve (Hysteresis loop) of material? Field intensity of the substance Reluctance of the material Pulling power of the magnetic material Magnetic properties of the materialRate this question: Loading... Question 5 of 37Question 6 of 37 6. Which is the cause for changing the permeability? Flux density Magneto motive force Length Field intensityRate this question: Loading... Question 6 of 37Question 7 of 37 7. Which property of magnet is illustrated? Poles existing property Saturation property Induction property Directive propertyRate this question: Loading... Question 7 of 37Question 8 of 37 8. What is the effect of the electrolytic capacitor, if open circuit fault occurs? It will become leaky It will burst at once It will not function It will function normallyRate this question: Loading... Question 8 of 37Question 9 of 37 9. What is the unit of Reluctance? Ampere turns / WeberWeber / metre² Ampere turns / metre² Weber / metreRate this question: Loading... Question 9 of 37Question 10 of 37 10. What is the unit of permeance? Weber/Ampere turns Ampere - turns Weber/Square metre Ampere turns/WeberRate this question: Loading... Question 10 of 37Question 11 of 37 11. Which defines the flux density is always lagging behind the magnetising force? Magnetic induction Residual magnetism Hysteresis Magnetic intensityRate this question: Loading... Question 11 of 37Question 12 of 37 12. What is the part marked as 'X' in B.H curve? Residual magnetism Coercivity Saturation point Magnetizing forceRate this question: Loading... Question 12 of 37Question 13 of 37 13. How can you increase the pulling strength of an electromagnet? Reduce the current in the coil Increase the B-H curve of the material Increase the field intensity Reduce the number of turns in the coilRate this question: Loading... Question 13 of 37Question 14 of 37 14. What will be the change in value of capacitance if the distance of the plates are decreased in the capacitor? Becomes zero Decreases Remains same IncreasesRate this question: Loading... Question 14 of 37Question 15 of 37 15. What precaution to be taken before connecting the different voltage rating capacitors in series? Each capacitors voltage drop must be less than its voltage rating Break down voltage of each capacitor must be same All the capacitors must be same manufacturer Total capacitors value must be less than the lowest value of capacitorRate this question: Loading... Question 15 of 37Question 16 of 37 16. Calculate the total capacitance value in the circuit. 30 μF 70 μF 6 μF 0.16 μFRate this question: Loading... Question 16 of 37Question 17 of 37 17. What is the unit of capacitance? Farad Mho Henry CoulombRate this question: Loading... Question 17 of 37Question 18 of 37 18. What is the total inductance if 3 inductors (L1, L2 and L3) are connected in series?LT = L1 x L2 x L3LT = 1÷L1 + L2 + L3LT = L1 + L2 + L3LT = 1÷L1 + 1÷L2 + 1÷L3Rate this question: Loading... Question 18 of 37Question 19 of 37 19. Which type of capacitor is used for space electronics? Plastic film type Electrolytic-Tantalum type Electrolytic-Aluminium type Ceramic disc typeRate this question: Loading... Question 19 of 37Question 20 of 37 20. Which material is the paramagnetic substance? Graphite Copper Cleat wiring BismuthRate this question: Loading... Question 20 of 37Question 21 of 37 21. 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 21 of 37Question 22 of 37 22. Which is the diamagnetic substance? Air Water Steel PlatinumRate this question: Loading... Question 22 of 37Question 23 of 37 23. What is the effect on surrounding metal placed in a magnetic field? Eddy current Dielectric stress Hysteresis Skin effectRate this question: Loading... Question 23 of 37Question 24 of 37 24. Which electrical quantity is directly proportional to the eddy current? Voltage Frequency Current ResistanceRate this question: Loading... Question 24 of 37Question 25 of 37 25. Which is a paramagnetic substance? Steel Glass Air WaterRate this question: Loading... Question 25 of 37Question 26 of 37 26. What will happen, if the polarized electrolytic capacitor is reversely connected? Value of capacitance will be increased No effect on the capacitor Current is reduced in the circuit Explode due to excessive heatRate this question: Loading... Question 26 of 37Question 27 of 37 27. Which type of capacitors are used in RF coupling circuit? Monolithic Tantalum Electrolytic Metalized poly propyleneRate this question: Loading... Question 27 of 37Question 28 of 37 28. Which is the correct expression of capacitance 'C' if the electric charge is 'Q' and the voltage is 'V'? C = V÷Q C = QVC = Q÷V C = 1÷QVRate this question: Loading... Question 28 of 37Question 29 of 37 29. Which is the diamagnetic substance? Manganese Wood Platinum NickelRate this question: Loading... Question 29 of 37Question 30 of 37 30. Calculate the total value of capacitance of series capacitor circuit. 15μfd 10μfd 4μfd 40μfdRate this question: Loading... Question 30 of 37Question 31 of 37 31. What is the capacitance value of a capacitor that requires 0.5 coulomb to charge to 35 volt? 0.14 F 0.25 F 0.014 F 0.025 FRate this question: Loading... Question 31 of 37Question 32 of 37 32. In which device the air capacitors are used? Loudspeaker TV tuner Oscillator Radio receiverRate this question: Loading... Question 32 of 37Question 33 of 37 33. What is the S.I unit of Flux density? Tesla Ampere-turns Weber/metre WeberRate this question: Loading... Question 33 of 37Question 34 of 37 34. Which rule is applied to find the direction of magnetic fields in a solenoid coil? Right hand palm rule Flemings right hand rule Cork screw rule Flemings left hand ruleRate this question: Loading... Question 34 of 37Question 35 of 37 35. Which factor is determining the value of capacitance in capacitor? Material of the plates Shape of the plates Thickness of the plates Area of the platesRate this question: Loading... Question 35 of 37Question 36 of 37 36. What is the function of dielectric insulator in capacitor? Increases the strength of capacitance Prevents any current flow between plates Helps to hold the charge in capacitor for long period Protects from short circuit between the platesRate this question: Loading... Question 36 of 37Question 37 of 37 37. What is the unit of Magneto Motive Force (MMF)? Ampere - turns Ampere / turns Ampere - MAmpere / M²Rate this question: Loading... Question 37 of 37 Loading...