Here is your WBJEE JELET 2025 – Full Syllabus Mock Test 10
✅ Total Questions: 50
🔢 Each question has 4 options and answer provided
📘 Covers: Engineering Mathematics, Physics, Chemistry, Electrical & Electronics Engineering
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📘 Mock Test 10 – WBJEE JELET 2025
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1. What is the Laplace transform of ?
A.
B.
C.
D.
Answer: A
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2. Which quantity has both magnitude and direction?
A. Speed
B. Distance
C. Force
D. Work
Answer: C
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3. The element with atomic number 17 is:
A. Oxygen
B. Chlorine
C. Phosphorus
D. Sulphur
Answer: B
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4. RMS value of AC is related to peak value by:
A.
B.
C.
D.
Answer: B
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5. =
A. 0
B. 1
C. Undefined
D. ∞
Answer: B
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6. Which of these is a noble gas?
A. Hydrogen
B. Nitrogen
C. Helium
D. Oxygen
Answer: C
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7. What is the derivative of ?
A.
B.
C.
D.
Answer: B
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8. Transformer works on the principle of:
A. Electrostatics
B. Electromagnetic Induction
C. Thermodynamics
D. Electrolysis
Answer: B
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9. Power in terms of voltage and resistance:
A.
B.
C.
D.
Answer: B
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10. Binary representation of decimal 15 is:
A. 1110
B. 1101
C. 1111
D. 1011
Answer: C
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11. SI unit of magnetic flux:
A. Henry
B. Weber
C. Tesla
D. Farad
Answer: B
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12. Boolean identity: A·1 = ?
A. A
B. 0
C. 1
D. A̅
Answer: A
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13. A zener diode operates in:
A. Forward Bias
B. Reverse Breakdown Region
C. Cutoff Region
D. Saturation
Answer: B
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14. The unit of inductance:
A. Henry
B. Weber
C. Tesla
D. Joule
Answer: A
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15. The sum of roots of quadratic equation is:
A.
B.
C.
D.
Answer: A
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16. Which of the following is used in dry cells?
A. Zinc
B. Copper
C. Iron
D. Aluminium
Answer: A
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17. Ideal gas law is:
A.
B.
C.
D.
Answer: B
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18. Current in a purely resistive circuit is:
A. Lagging
B. Leading
C. In phase
D. Out of phase
Answer: C
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19. Boolean expression for NAND gate:
A.
B.
C.
D.
Answer: B
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20. 1 calorie =
A. 4.2 J
B. 2.4 J
C. 1 J
D. 10 J
Answer: A
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21. Kirchhoff’s Current Law is based on:
A. Energy conservation
B. Charge conservation
C. Momentum conservation
D. Power conservation
Answer: B
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22. Value of :
A. 0
B. 1
C. ∞
D. Undefined
Answer: D
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23. SI unit of energy:
A. Watt
B. Volt
C. Joule
D. Newton
Answer: C
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24. Main ore of iron:
A. Bauxite
B. Haematite
C. Galena
D. Magnetite
Answer: B
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25. Thevenin’s theorem simplifies circuits to a:
A. Current source and resistor
B. Voltage source and resistor
C. Inductor and capacitor
D. Battery and diode
Answer: B
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26. 2’s complement of binary 1001 is:
A. 0110
B. 1110
C. 0111
D. 1000
Answer: A
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27. In resonance of RLC circuit, impedance is:
A. Maximum
B. Minimum
C. Zero
D. Infinite
Answer: B
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28. RMS value of sine wave is:
A.
B.
C.
D.
Answer: B
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29. Capacitance is given by:
A.
B.
C.
D.
Answer: A
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30. The number of valence electrons in nitrogen is:
A. 3
B. 5
C. 7
D. 6
Answer: B
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31. Differentiation of :
A.
B.
C.
D.
Answer: A
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32. Integration of dx:
A.
B.
C.
D.
Answer: A
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33. Which instrument measures AC & DC current?
A. Voltmeter
B. Ammeter
C. Multimeter
D. Wattmeter
Answer: C
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34. Energy stored in inductor is:
A.
B.
C.
D.
Answer: A
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35. The sum of angles in triangle is:
A. 90°
B. 180°
C. 270°
D. 360°
Answer: B
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36. The conductance unit is:
A. Siemens
B. Ohm
C. Henry
D. Tesla
Answer: A
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37. What is 1 horsepower in watts?
A. 500 W
B. 746 W
C. 1000 W
D. 550 W
Answer: B
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38. A device used to step up or down voltage:
A. Resistor
B. Capacitor
C. Transformer
D. Inductor
Answer: C
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39. The main function of rectifier is to convert:
A. AC to DC
B. DC to AC
C. DC to DC
D. AC to AC
Answer: A
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40. The function is:
A. Linear
B. Quadratic
C. Cubic
D. Exponential
Answer: B
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41. 1 KWh =
A. 3600 J
B. 36000 J
C. 3.6 × 10⁶ J
D. 3.6 × 10³ J
Answer: C
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42. Which has the highest frequency?
A. Gamma rays
B. Radio waves
C. UV rays
D. X-rays
Answer: A
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43. NAND gate is a combination of:
A. AND + NOT
B. OR + NOT
C. XOR + NOT
D. NOR + NOT
Answer: A
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44. The function of fuse is:
A. Boost voltage
B. Protect circuit
C. Amplify current
D. Store charge
Answer: B
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45. 1 Newton =
A.
B.
C.
D.
Answer: A
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46. The peak factor =
A.
B.
C.
D.
Answer: A
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47. The sum of first n natural numbers:
A.
B.
C.
D.
Answer: B
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48. LCR series circuit resonates when:
A.
B.
C.
D.
Answer: A
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49. Boolean identity: =
A. A
B. 1
C. 0
D. Undefined
Answer: B
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50. Which law defines force?
A. Newton's First
B. Newton's Second
C. Newton's Third
D. Law of Inertia
Answer: B
