WBJEE JELET 2025 – Full Syllabus Mock Test 1
✅ Total Questions: 50
🔢 4 options per question
📝 Answers provided at the end
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📘 Full Mock Test 1 (Physics, Chemistry, Mathematics, EEE)
1. A body moves with uniform acceleration. The relation is:
A.
B.
C.
D.
2. Which law governs force between charges?
A. Ampere's Law
B. Ohm’s Law
C. Coulomb’s Law
D. Faraday’s Law
3. If , then det(A) = ?
A. 10
B. -2
C. 2
D. -10
4. The main ore of Aluminium is:
A. Galena
B. Bauxite
C. Hematite
D. Magnetite
5. SI unit of electric current:
A. Volt
B. Ampere
C. Ohm
D. Watt
6. Value of :
A. 0
B. 1
C. 2
D. Depends on θ
7. Kirchhoff’s first law is based on:
A. Momentum conservation
B. Energy conservation
C. Charge conservation
D. Mass conservation
8. Which is not a vector?
A. Velocity
B. Force
C. Acceleration
D. Energy
9. Angle between vectors if dot product is 0:
A. 0°
B. 45°
C. 90°
D. 180°
10. Conjugate of :
A.
B.
C.
D.
11. Unit of force is:
A. Joule
B. Pascal
C. Newton
D. Watt
12. In Bohr’s model, electrons revolve in:
A. Spiral orbits
B. Elliptical orbits
C. Circular orbits
D. Random paths
13. :
A.
B.
C.
D.
14. Function of transformer:
A. Converts AC to DC
B. Voltage conversion
C. Increases resistance
D. Stores charge
15. What is modulus of :
A. 5
B. 7
C. 25
D. 1
16. Faraday’s law is related to:
A. Magnetic field
B. Capacitance
C. Electromagnetic induction
D. Resistance
17. Ohm’s Law:
A.
B.
C.
D.
18. Differentiation of :
A.
B.
C.
D.
19. SI unit of capacitance:
A. Henry
B. Farad
C. Coulomb
D. Ohm
20. The power dissipated in a resistor is given by:
A.
B.
C.
D.
21. Integration of :
A.
B.
C.
D.
22. Gauss's law deals with:
A. Magnetic fields
B. Electric flux
C. Electric potential
D. Capacitance
23. pH of neutral solution:
A. 0
B. 7
C. 14
D. 1
24. Derivative of constant:
A. 1
B. 0
C. Same constant
D. Not defined
25. Ohm’s Law is not valid for:
A. Metals
B. Alloys
C. Diodes
D. Wires
26. Formula of copper(I) oxide:
A. CuO
B. Cu₂O
C. Cu₂SO₄
D. Cu(OH)₂
27. BJT is:
A. Unipolar
B. Bipolar
C. Tri-polar
D. None
28. Current through resistor R is 2 A for 5 seconds. Charge = ?
A. 5 C
B. 10 C
C. 2.5 C
D. 0.4 C
29. Lenz’s law gives:
A. Direction of EMF
B. Magnitude of EMF
C. Power loss
D. Flux
30. NAND gate is:
A. OR + NOT
B. AND + NOT
C. NOT + NOR
D. OR + AND
31.
A. 1
B. 0
C. Infinity
D. x
32. A ∩ B in set theory means:
A. Union
B. Difference
C. Intersection
D. Complement
33. If A and B are events, is:
A. P(A) + P(B)
B. P(A) × P(B)
C. P(A ∪ B)
D. P(A) − P(B)
34. Which of these is not an alloy?
A. Steel
B. Brass
C. Bronze
D. Bauxite
35. 1 kWh = ?
A. 3.6 × 10⁶ J
B. 360 J
C. 3.6 × 10³ J
D. 1 J
36. Which has highest conductivity?
A. Distilled water
B. Tap water
C. Sea water
D. Rainwater
37. Resonant frequency occurs in:
A. Open circuits
B. RLC circuits
C. Short circuits
D. Battery
38. Transformer core is made of:
A. Copper
B. Steel
C. Laminated iron
D. Aluminium
39. Thevenin’s theorem is used in:
A. Control system
B. Circuit simplification
C. Power calculation
D. Magnetism
40. Power factor is:
A. V × I
B. Cos φ
C. Sin φ
D. VI sin φ
41. Unit of magnetic flux:
A. Tesla
B. Weber
C. Henry
D. Ampere
42. Short circuit has:
A. High resistance
B. Zero resistance
C. Infinite resistance
D. Medium resistance
43. Voltage across open switch is:
A. 0
B. Equal to source
C. Infinite
D. None
44. RMS value of AC:
A.
B.
C.
D.
45. Maximum power transfer when:
A. Load > Source
B. Load = Source
C. Load < Source
D. None
46. A diode allows current to flow in:
A. Both directions
B. Forward direction
C. Reverse direction
D. None
47. Full-wave rectifier uses:
A. 1 diode
B. 2 diodes
C. 3 diodes
D. 4 diodes
48. Digital signal is:
A. Continuous
B. Discrete
C. Analog
D. Modulated
49. Binary of 15:
A. 1111
B. 1101
C. 1010
D. 1001
50. Which gate has output 1 only if both inputs are 1?
A. OR
B. AND
C. XOR
D. NOT
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✅ Answer Key
1. B
2. C
3. B
4. B
5. B
6. B
7. C
8. D
9. C
10. A
11. C
12. C
13. A
14. B
15. A
16. C
17. A
18. A
19. B
20. A
21. B
22. B
23. B
24. B
25. C
26. B
27. B
28. B
29. A
30. B
31. A
32. C
33. B
34. D
35. A
36. C
37. B
38. C
39. B
40. B
41. B
42. B
43. B
44. B
45. B
46. B
47. B
48. B
49. A
50. B
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