Class 12 Physics: Electromagnetic Induction (Hard)
This worksheet challenges your understanding of advanced concepts in Electromagnetic Induction, including Faraday's laws, Lenz's law, motional EMF, and self/mutual inductance.
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- Q1.A metallic rod of length 'l' is rotated with an angular frequency 'ω' perpendicular to a uniform magnetic field 'B' about an axis passing through one end of the rod. The EMF induced across the ends of the rod is:
- A.Bωl
- B.Bωl^2
- C.1/2 Bωl^2
- D.1/2 Bω^2l
- Q2.Two coils P and Q are placed close to each other. If the current in coil P is changed, some EMF is induced in coil Q. Which of the following statements is INCORRECT?
- A.The induced EMF in Q depends on the rate of change of current in P.
- B.The induced EMF in Q depends on the mutual inductance between P and Q.
- C.The induced EMF in Q opposes the change in current in P.
- D.The induced EMF in Q directly depends on the instantaneous current in P.
- Q3.According to Lenz's Law, the direction of induced current is such that it _________ the cause producing it.
- Q4.An inductor of inductance L, a capacitor of capacitance C, and a resistor of resistance R are connected in series across an AC source. The circuit is at resonance. What is the phase difference between the voltage across the inductor and the voltage across the capacitor?
- A.0 degrees
- B.45 degrees
- C.90 degrees
- D.180 degrees
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What's inside this workbook
This Class 12 Physics Practice contains 10 questions across 2 printable pages and includes a full answer key at hard difficulty. Aligned to the CBSE and NCERT syllabus.
How this worksheet helps your child
- Builds confidence in core Physics concepts taught in Class 12 through repeated, varied practice.
- Aligned to CBSE and NCERT — questions mirror the pattern children see in school tests and unit assessments.
- Comes with an answer key so parents and students can self-check in minutes, without needing a teacher.
- Pitched at hard level — use it for daily homework, weekend revision or quick exam warm-ups.
Topics covered
How to use this worksheet at home
Open the print view and use your browser's Print dialog to print on regular A4 paper or save as a PDF. Hand the printed sheet to your child (Class 12) and set a relaxed time limit — 15 to 25 minutes works for most Physics worksheets. When they're done, open the "With answer key" view and let them self-mark question by question. Re-print as many times as you need; the file never expires and there's no download limit.
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- Does it include an answer key?
- Yes — click "With answer key" to print a version with answers included, so parents and students can self-mark in minutes.
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