BALOCHISTAN MDCAT PAPER 2021 BALOCHISTAN PAPER 2021 ( PART 4 ) 1. Magnetic field is also known as: Magnetosphere B-field Gauss field Electromagnetic force 2. When an electron moves into a field in the west direction and is directed towards the north due to the magnetic field, the direction of the magnetic field is: East South West North 3. The strength of the magnetic field produced by a solenoid depends on: The shape of the solenoid The current passing through the solenoid The core material it is wrapped around The radius of the solenoid 4. The electromotive force (EMF) produced by a generator depends on: The type of magnets used The size of the generator The temperature of the surroundings The rate of change of magnetic flux 5. If a transformer is heated up, what will happen to its current, voltage, and power? Current increases, voltage decreases, power increases Current and voltage both increase, power increases Current decreases, voltage increases, power remains constant Current remains constant, voltage decreases, power decreases 6. Which type of rectifier is most commonly used among half-wave and full-wave rectifiers Full-Wave Rectifier Half-Wave Rectifier Neither is commonly used It varies based on the application 7. What primarily provides resistance to the human body’s electrical conduction? Muscles Skin Bones Blood 8. Which of the following does the Theory of Relativity not relate to Quantum mechanics Space-time relation Time dilation Gravitational waves 9. Losses in a transformer are primarily due to which of the following factors Eddy currents and hysteresis Resistance of windings Magnetic saturation Core material 10. Electrons in a certain system are excited. On average, how long do these electrons stay in their excited state No any specific time 1 nanosecond 3 nanoseconds 2 nanoseconds Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11
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