A) Principle of magnetic induction. B) Relationship between voltage, current, and resistance. C) Law of conservation of energy. D) Newton's second law of motion.
A) Varistor B) Volume C) Velocity D) Voltage
A) Current B) Impedance C) Resistance D) Inductance
A) Reactance B) Reluctance C) Resistor D) Resistance
A) Becomes negative B) Remains unchanged C) Decreases D) Increases
A) Current doubles B) Current stays the same C) Current triples D) Current halves
A) Ampere (A) B) Volt (V) C) Ohm (Ω) D) Watt (W)
A) Nikola Tesla B) Thomas Edison C) Georg Simon Ohm D) Michael Faraday
A) Biology B) Physics C) Electrical engineering D) Chemistry
A) Diode B) Transformer C) Resistor D) Capacitor
A) Becomes negative B) Remains the same C) Increases D) Becomes zero
A) I = V / R B) I = V - R C) I = V * R D) I = R / V
A) Resistance is exponential with current. B) Voltage is inversely proportional to current. C) Current is directly proportional to voltage. D) Current is constant regardless of voltage.
A) Hooke's Law B) Boyle's Law C) Ohm's Law D) Newton's Law of Cooling
A) 20 ohms B) 5 ohms C) 0.2 ohms D) 8 ohms
A) 12 volts B) 24 volts C) 1.33 volts D) 7 volts
A) Conductors B) Non-ohmic materials C) Resistors D) Ohmic materials
A) Ohm B) Volt C) Mho D) Siemens
A) Paul Drude B) J. J. Thomson C) Arnold Sommerfeld D) Felix Bloch
A) Conduction electrons move randomly with a drift caused by an electric field. B) Electrons only move when heated. C) Electrons do not contribute to electrical conduction. D) Electrons are stationary in a conductor.
A) Z = s/L B) Z = L/s C) Z = 1/sL D) Z = sL
A) Z = C/s B) Z = s/C C) Z = 1/C D) Z = 1/(sC)
A) 1855 B) 1879 C) 1827 D) 1814
A) V = IR B) I = V/R C) p = −eEτ D) R = V/I
A) Reactance B) Conductivity C) Capacitance D) Resistivity
A) Henry Cavendish B) James Clerk Maxwell C) Georg Ohm D) Francis Ronalds
A) s, a complex parameter B) R, resistance C) C, capacitance D) L, inductance
A) The real part B) The imaginary part C) Neither part D) Both parts equally
A) Nature is chaotic and unpredictable. B) Mathematics has no role in science. C) Scientific truths may be deduced through reasoning alone without experiments. D) Experiments are essential for understanding nature.
A) The macroscopic scale B) The atomic scale C) The microscopic scale D) The quantum scale
A) Electrons are stationary within the lattice. B) Electrons do not interact with the crystal lattice. C) Electrons move as waves through a solid crystal lattice. D) Electrons only scatter off other electrons.
A) Simple sinusoids B) Linear functions C) Step functions D) Complex exponentials
A) Bloch's model B) The free electron model C) The Drude model D) Quantum band theory of solids
A) Thermal noise B) Johnson–Nyquist noise C) Quantum noise D) Maxwell noise
A) Conductivity of the material B) Electric field C) Current density D) Resistivity of the material
A) Indifference B) Support from the Minister of Education C) Hostility, calling it a 'web of naked fancies' D) Immediate acceptance and praise
A) Galvanometer B) Oscilloscope C) Voltmeter D) Ammeter
A) Addition B) Multiplication C) Subtraction D) Division
A) σ = n_e e3 / (ν m_e) B) σ = n_e e2 ν m_e C) σ = n_e e2 / (ν m_e) D) σ = n_e e / (ν m_e)
A) Square B) Triangle pointing right C) Circle with an 'R' D) Long rectangle or zig-zag symbol
A) Under varying pressure conditions. B) In an open circuit. C) At a constant temperature. D) At a variable temperature.
A) A hyperbola. B) An exponential curve. C) A parabola. D) A straight line.
A) Impedance (Z) B) Admittance C) Conductance D) Reactance
A) Fourier's principle. B) Maxwell's equations. C) Ohm's principle. D) Joule's first law.
A) Non-ohmic device B) Ohmic device C) Capacitive device D) Reactive device
A) Voltaic piles B) Gold-leaf electrometer C) Thermocouples D) Leyden jars
A) Joule's first law. B) The Seebeck effect. C) The Peltier effect. D) Ohm's principle.
A) ρ = σ × 2 B) ρ = σ + 1 C) ρ = σ-1 D) ρ = σ / 2
A) m_e n_e dv_e/dt = -n_e e E + n_e m_e ν (v_i - v_e) - e n_e v_e × B B) m_e n_e dv_e/dt = n_e e E + n_e m_e ν (v_i - v_e) - e n_e v_e × B C) m_e n_e dv_e/dt = n_e e E - n_e m_e ν (v_i - v_e) + e n_e v_e × B D) m_e n_e dv_e/dt = -n_e e E - n_e m_e ν (v_i - v_e) + e n_e v_e × B |