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MDCAT Past Papers - UHS - Physics - Chap No 9 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Physics - Chap No 9 | Quiz 1

1. Electric current is flowing through the circuit as shown in figure. What will be the direction of magnetic lines of force?



2. The value of magnetic flux is 10 Wb. When magnetic lines of force containing magnetic field strength of 1 T pass through a unit area of 10 m², then angle between magnetic field and unit area is:



3. If a conductor of length 7 m is placed in a magnetic field of strength 0.3 T carrying current 1 A, parallel to the field, what will be the force acting on it due to this magnetic field?



4. The horizontal component of Earth's magnetic flux density is 1.8 × 10⁻⁶ T. The current in a horizontal cable is 160 A. Calculate the maximum force per unit length.



5. If we change the magnetic flux linking a coil in a constant magnetic field, the rate of change of flux is:



6. Which surface has greater magnetic flux in same magnetic field, each has an area 1 m²?



7. The source of magnetic field is:



8. If 0.5 T field is applied over an area of 2 m² which lies at an angle of 60° with the field, then the resulting flux will be:



9. The magnitude of magnetic force will be maximum on a current-carrying conductor in uniform magnetic field if conductor is placed:



10. The formula Φ = B•A represents:



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