MDCAT Electromagnetic Induction MCQs
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Total Topics
3
Selected Topics
1
Available MCQs
262
Question Limit
Up to 180
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Selected topics have 262 total questions. Test will draw 50 shuffled MCQs.
Sample Electromagnetic Induction MCQs with answers
Try these questions, then open the answer to check your reasoning. Use the quiz above for more topics and a complete review.
Faraday's Law
1. The law of electromagnetic induction is given by
- A. Faraday law
- B. Lenz law
- C. Both A and B
- D. Neither A nor B
View answer and explanation
Answer: C. Both A and B
The law of electromagnetic induction has two parts. Faraday's law gives the magnitude of the induced emf as times the rate of change of magnetic flux, while Lenz's law gives the direction of the induced current, expressed by the negative sign, which opposes the change in flux. Together they fully describe electromagnetic induction, so both A and B are needed. Faraday's law alone gives only magnitude and Lenz's law alone gives only direction.
Transformers
2. A transmission cable has resistance 0.8 and carries . Its power loss is:
- A.
- B.
- C.
- D.
View answer and explanation
Answer: C.
Resistive loss is .
Faraday's Law
3. A long straight wire carries a current that is increasing with time. A circular conducting loop is placed next to the wire in the same plane. The induced current in the loop will be:
- A. Counter-clockwise
- B. Zero
- C. Alternating
- D. Clockwise
View answer and explanation
Answer: A. Counter-clockwise
the Right-Hand Rule, the wire creates a magnetic field directed **into the page** through the loop. Since the wire's current is increasing, this 'into the page' flux increases. To oppose this change, Lenz's Law dictates that the induced current must create a magnetic field **out of the page**. A counter-clockwise current is required to produce this opposing field.
About this unit
MDCAT Electromagnetic Induction — Unit 47
549 practice MCQs covering Faraday's Law, Lenz's Law, Transformers. Select custom topics and sit tailored tests up to 180 questions per drill.
Common questions about Electromagnetic Induction practice
How many Electromagnetic Induction MCQs are available on DIFF. MDCAT?
The current Electromagnetic Induction question bank contains 549 practice MCQs across 3 topics. This is the bank size, not the length of one test. Choose your topics and a question count from 1 to 180, limited by the questions available in those topics.
Which topics does the Electromagnetic Induction quiz cover?
The selectable topics are Faraday's Law, Lenz's Law, Transformers. Use Select all for a broad chapter drill, Clear to start a focused selection, or choose individual topics. Questions are drawn from your chosen topics, so you can target a weak concept before returning to a wider test.
How do I build a custom Electromagnetic Induction test?
Open the chapter builder, select one or more topics, enter your question count, and choose Tutor Mode or Timed Exam. The available-question total updates with your selection. Start Test generates a shuffled drill; you do not have to follow a fixed Quiz 1 or Quiz 2 sequence.
What is the difference between Tutor Mode and Timed Exam?
Tutor Mode gives feedback and an explanation after you choose an option, and you can change or clear that choice. Timed Exam runs a countdown and keeps explanations hidden until submission. Both modes let you move between questions, use the paper map, and submit for a complete review.
How do I review and download my Electromagnetic Induction quiz?
Select Submit Quiz, then Submit & View Explanations. The review includes every question in your test, all options, your selection, the marked correct answer when a key is available, and the explanation. Download PDF saves a paginated review; Download Review saves an HTML copy you can open in a browser. The review also includes DIFF. MDCAT community links.
How should I use Electromagnetic Induction MCQs to improve?
Start with a short tutor drill on one of these topics: Faraday's Law, Lenz's Law, Transformers. Read the explanation for incorrect and uncertain answers, revise the relevant textbook section, and retry before taking a timed drill. Compare your reasoning with the answer key rather than memorising the option letter.