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