Punjab Public Service Commission — Complete MCQ Bank
PPSC examinations recruit candidates for Punjab government departments and commonly test general knowledge, current affairs, English and post-related subjects.
Which everyday device converts direct current into alternating current for household appliance use?
Which everyday device changes the voltage level of alternating current for transmission or use?
Which everyday device uses electromagnetic induction to convert mechanical energy into electrical energy?
Which scientific law explains how a changing magnetic field can induce an electric current in a conductor?
Which law in physics relates voltage current and resistance in an electrical circuit?
Which everyday device measures the voltage or potential difference between two points in a circuit?
Which everyday device measures electrical current flowing through a circuit?
Which scientific law explains that every object attracts every other object with a force proportional to their masses?
Which force is primarily responsible for keeping planets in orbit around the sun?
Which natural satellite is the only one orbiting Earth and significantly influences ocean tides?