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