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

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

1. The domestic electric supply in Pakistan is:



2. An aircraft of wingspan 50m flies horizontally at an area where the vertical component of earth's magnetic field is 2×10⁻⁵T. In order to produce an emf of 1 volt between the aircraft's wingtips its speed should be:



3. In Fleming's right hand rule, the second finger indicates:



4. The device which increases or decreases the emf is called:



5. The induced current will flow in such a direction that it opposes the cause producing it. The statement belongs to:



6. Transformer works on the principle of:



7. In Fleming's right rule, the thumb indicates:



8. The Lenz's law is also statement of law of conservation of:



9. An AC current generator is a device that converts:



10. A transformer used on a 220V line delivers 22A at 1800V. What current is drawn from the line (assume 100% efficiency)?



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