Quiz for Core Subject Knowledge

Q1: What is the SI unit of power?

A. Watt B. Joule C. Newton D. Pascal

Q2: Which material is commonly used for electrical insulation?

A. Copper B. Aluminum C. Rubber D. Iron

Q3: What is the formula to calculate stress?

A. Force / Area B. Mass × Acceleration C. Energy / Time D. Voltage / Current

Q4: Which law states that magnetic flux through a closed loop induces emf?

A. Faraday’s law B. Lenz’s law C. Ohm’s law D. Newton’s law

Q5: What is the Young’s modulus a measure of?

A. Elasticity B. Viscosity C. Plasticity D. Density

Q6: What type of energy is stored in a capacitor?

A. Kinetic B. Potential C. Thermal D. Chemical

Q7: Which process is used to convert AC to DC?

A. Rectification B. Amplification C. Modulation D. Oscillation

Q8: The efficiency of a machine is:

A. Output work / Input work B. Input work / Output work C. Output power / Input power D. Input power / Output power

Q9: Which force keeps planets in orbit around the sun?

A. Electromagnetic force B. Gravitational force C. Nuclear force D. Frictional force

Q10: What is the primary function of a transistor?

A. Voltage amplification B. Current amplification C. Resistance reduction D. Energy storage

Q11: What is the unit of electric charge?

A. Coulomb B. Volt C. Ampere D. Ohm

Q12: Which gas is used in the Haber process for ammonia synthesis?

A. Oxygen B. Nitrogen C. Hydrogen D. Carbon dioxide

Q13: What is the fundamental frequency of a system called?

A. Resonant frequency B. Natural frequency C. Cutoff frequency D. Critical frequency

Q14: What is the main constituent of natural gas?

A. Methane B. Ethane C. Propane D. Butane

Q15: What does the term “bit” stand for in computing?

A. Binary digit B. Binary integer C. Basic information token D. Basic integrated technology

Q16: Which of the following is a non-renewable energy source?

A. Solar energy B. Wind energy C. Coal D. Hydroelectric energy

Q17: Which component stores electrical energy in an electric circuit?

A. Resistor B. Inductor C. Capacitor D. Transformer

Q18: Which gas law relates pressure and volume of a gas at constant temperature?

A. Boyle’s law B. Charles’s law C. Gay-Lussac’s law D. Avogadro’s law

Q19: The term “entropy” is related to:

A. Energy B. Disorder C. Temperature D. Pressure