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JEE Main Physics: Magnetic Effects of Current and Magnetism — Chapter Test 1

JEE Main • Physics • Magnetic Effects of Current and Magnetism • Chapter Test

EasyFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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This test is completely free.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
A charge moving parallel to a magnetic field experiences a force of
A
qvB
B
zero
C
qB/v
D
maximum
View Correct Answer & Step-by-Step Solution
Correct Option:(B)zero

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
A charged particle moving perpendicular to a uniform magnetic field moves in a circle of radius
A
qB/mv
B
mv/qB
C
mvqB
D
m/qvB
View Correct Answer & Step-by-Step Solution
Correct Option:(B)mv/qB

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The magnetic field at the centre of a circular loop of radius R carrying current I is
A
μ₀I/2πR
B
μ₀I/2R
C
μ₀I/4R
D
μ₀IR
View Correct Answer & Step-by-Step Solution
Correct Option:(B)μ₀I/2R

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
The magnetic field at distance r from a long straight wire carrying current I is
A
μ₀I/2r
B
μ₀I/2πr
C
μ₀I/4πr²
D
μ₀Ir
View Correct Answer & Step-by-Step Solution
Correct Option:(B)μ₀I/2πr

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
Two long parallel wires carrying currents in the same direction
A
attract each other
B
repel each other
C
do not interact
D
rotate
View Correct Answer & Step-by-Step Solution
Correct Option:(A)attract each other

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in JEE Main Physics: Magnetic Effects of Current and Magnetism — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Magnetic Effects of Current and Magnetism" of JEE Main Physics. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.