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Magnetism — JEE Main Physics MCQs with Solutions
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Sample questions with solutions
Q1 — medium · theory
VP 6
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q2 — medium · theory
A galvanometer of resistance 100 when 24-5. The reading in the ideal voltmeter (V) shown
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q3 — medium · theory
A cell of emf 90 V is connected across series CURRENT ELECTRICITY
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q4 — medium · theory
deflections in a converted galvanometer of 21-5. Two cells of emf 2E and E with internal
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q5 — medium · theory
between the terminals A and B is :
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q6 — medium · theory
(3) 24-2. (4) ANSWER KEY 24-4. (1) 24-5. (3)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q7 — medium · numerical
ig 10 20 103 A 24-5. ������ = eq = ×
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q8 — medium · theory
Velocity gradient
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q9 — medium · theory
Total energy E GMm 21-9. Acceleration due to gravity will be zero at P
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q10 — medium · theory
24-6. in the given circuit diagram is :
A. 2 (2) 800 ✓ Correct
B. 20 (4) 200
C. 18 Ω (2) 25 Ω (1) 4V (2) 2 mV
D. 27 Ω (4) 19 Ω (3) 0.5 V (4) 12 mV
Q11 — medium · theory
If n represents the actual number of 21-3. CURRENT ELECTRICITY
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q12 — medium · theory
resistance r1 and r2 respectively are
A. nKS ✓ Correct
B. s
C. Electric displacement ( D ) and surface r1
D. Displacement current and electric field In the given figure, a battery of emf E is
Q13 — medium · theory
INTEGER TYPE QUESTIONS
A. 0 (2) 3 (3) 2 (4) 1 ✓ Correct
B. M > A > C (2) C > A > T
C. A > M > C (4) A > T > C 24-10. In the experiment to determine the
D. R ln b (2) R 2 ln b
Q14 — medium · theory
V0 i.R 1000 500 0.5V
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q15 — medium · theory
Due to motion of the coil eddy current Figure of merit g K
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q16 — medium · theory
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q17 — medium · numerical
8R – x = 3x
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q18 — medium · theory
The resistances of the platinum wire of a 24-7. The electric current through a wire varies with
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q19 — medium · theory
combination of two resistors each of (1)
A. 40 V (2) 45 V ✓ Correct
B. 80 V (4) 90 V
C. to oscillate the coil in magnetic field for
D. to bring the coil to rest quickly
Q20 — medium · theory
21-4.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q21 — medium · theory
resistance ������, to a 100 ������ mains as shown in
A. 0.36 A from negative to positive terminal ✓ Correct
B. 0.42 A from positive to negative terminal
C. 0.71 A from positive to negative terminal
D. 0.21 A from positive to negative terminal
Q22 — medium · theory
(1) 23-4. (3) 24-3. (2) 22-1. (1) 22-2. (4)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q23 — medium · theory
(1) 21-1. (2) 24-8. (1) 21-3. (2) 21-4. (1)
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q24 — medium · numerical
Given R = 8Ω, R = 10Ω
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q25 — medium · theory
develops thus bringing the coil to rest.
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q26 — medium · theory
Electric displacement
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q27 — medium · theory
VA
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q28 — medium · theory
24-8.
A. 2 (2) 16 (3) 800 C (4) 1600 C ✓ Correct
B. 8 (4) 10 In the given circuit, the current in resistance
C. 31.25 × 10 (2) 6.25 × 10
D. 6.25 × 10 (4) 1.25 × 10
Q29 — medium · theory
A student is provided with a variable voltage (1) 2 A (2) 1 A (3) 1 A (4) 1 A
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D
Q30 — medium · theory
A resistor develops 300 J of thermal energy in
A. Option A ✓ Correct
B. Option B
C. Option C
D. Option D