MDCAT Preparation MCQs
Master medical entry test MCQs with subject-wise practice
Practice Now
Test yourself with instant feedback
Showing 1,525 MCQs
in MDCAT
Answer: Pakistan uses 50 Hz AC supply.
Answer: Transformers use mutual electromagnetic induction.
Answer: Specific heat capacity of water is ~4200 J/kgK.
Answer: Inside a long solenoid, field is uniform and axial.
Answer: Isothermal means constant temperature.
Answer: EMF = -dPhi/dt, the negative rate of flux change.
Answer: Magnetic flux is measured in Weber (Wb).
Answer: Inductance is measured in Henry (H).
Answer: Absolute zero is 0 K = -273.15 C.
Answer: Ideal transformer has 100% efficiency.
Answer: Lenz\'s Law states induced current opposes the change.
Answer: Parallel currents attract; anti-parallel currents repel.
Answer: Generator converts mechanical to electrical energy.
Answer: F = qvB sin 0 = 0 when parallel.
Answer: L depends on number of turns, area, and length.
Answer: Eddy currents are induced in bulk conductors.
Answer: First law: delta U = Q - W, conservation of energy.
Answer: Flux changes when field, area, or angle changes.
299
1 Tesla equals:
Answer: 1 Tesla = 1 Weber per square meter.
Answer: Carnot efficiency = 1 - T_sink/T_source.