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Electromagnetic Induction — JEE Main Physics MCQs with Solutions
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Sample questions with solutions
Q1 — medium · theory
A galvanometer (G) of 2 resistance is 23-1. In this figure the resistance of the coil of
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q2 — medium · theory
varies as : [JEE MAIN_250721_{S1}]
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q3 — medium · numerical
Find the ratio of the charges on capacitors C1, constant k = 4 is being inserted between the
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q4 — medium · theory
(4) 24-2. (1) ANSWER KEY 23-1. (2) 22-1. (1)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q5 — medium · theory
(2) 20-2. (4) 22-4. (1) 20-4. (1) 20-5 (3)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q6 — medium · theory
1 d/2 1 1 d/2 dx
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q7 — medium · theory
Two identical capacitors have same (1) 1 (2) 4/5
A. 1 CV2 (2) 2CV2 (1) 5 N (2) 10 N ✓ Correct
B. 20 N (4) Zero
C. 1 CV2 (4) 3 CV2 A capacitor is discharging through a resistor
D. (2) respect to the charge (Q) on the condenser ?
Q8 — medium · theory
(x) 0 kx, for 0 x d
A. (x) 0 k(d x),for d x d ✓ Correct
B. 0 (4) kA In 20
C. n (2) 2n the capacitor plates, then bound charge qb
D. n 1 (4) 2n 1 [JEE MAIN_250721_{S2}]
Q9 — medium · theory
A parallel plate capacitor has plate of length
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q10 — medium · theory
(4) 22-3. (1) 21-1. (2) 21-2. (4)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q11 — medium · theory
105 23-3. 6 20-3. (1) 22-5. 6 22-6. 23
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q12 — medium · numerical
V= = F qE' Qq 5N
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q13 — medium · theory
A parallel plate capacitor with plate area ‘A’
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q14 — medium · theory
In the circuit shown, charge on the 5 F
A. 2 : 1 : 1 (2) 2 : 3 : 3 ✓ Correct
B. 1 : 2 : 2 (4) 3 : 4 : 4 5F
C. 9.52 (2) 0.95
D. 0.105 (4) 1.85
Q15 — medium · theory
A capacitor has capacitance 5μF when it’s 22-7. CAPACITANCE
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q16 — medium · theory
(2) 21-4. (2) 24-3. (1) 21-6. (3) 21-7. (2)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q17 — medium · theory
All capacitor are in parallel combination. q Q0eRC 2
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q18 — medium · numerical
H = i2Rt
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q19 — medium · theory
capacitor when permittivity of the dielectric
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q20 — medium · numerical
The electric field between the two parallel will be x J . where x =________.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q21 — medium · theory
thickness d. A slab of material of dielectric 21-9. A composite parallel plate capacitor is made
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q22 — medium · theory
4 24-5. 80 21-5. (1) 24-7. 81 24-8. 60
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q23 — medium · numerical
E = ⇒ V = 9V
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q24 — medium · theory
and distance of separation ‘d’ is filled with a
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q25 — medium · theory
24-6. CAPACITANCE
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q26 — medium · theory
2
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q27 — medium · theory
constant 1.5 having area equal to that of up of two different dielectric materials with
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q28 — medium · theory
Ceq A0 K1K 2
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q29 — medium · numerical
Three capacitors C1 = 2F, C2 = 6 F and C3 CAPACITANCE
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q30 — medium · theory
plates but thickness d is inserted between different thickness (t1 and t2) as shown in
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D