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MDCAT Past Papers - UHS - Physics - Chap No 10 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Physics - Chap No 10 | Quiz 1

1. A loop of 5 turns of wire is placed in uniform magnetic field of 0.5T, then area of loop shrinks at a constant rate of 10m²/s, the emf induced is:



2. The unit of magnetic flux density is the tesla, T, it can also be expressed as:



3. One meter long copper rod is moving with speed 20m/s in the magnetic field of strength 0.6 tesla. What is the value of induced emf?



4. The unit of "B" can be written as?



5. A copper hoop is held in a vertical east-west plane in a uniform magnetic field whose field lines run along the north-south direction. The largest induced emf is produced when the hoop is?



6. The induced emf produced in the coil is sometimes called as?



7. The quantity ΔΦ/Δt has the same units as that of?



8. A charge projected with velocity of 10m/s in a magnetic field of 10T at an angle of 60°. If force exerted on charge is 2.78 × 10⁻¹¹N, then value of charge is:



9. A metal rod of length 10cm is moving at a speed of 0.5ms⁻¹ in a direction perpendicular to a 0.2T magnetic field. Find the emf produced in the rod.



10. Working principle of magnetic levitation train is according to?



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