A) Principle of magnetic induction. B) Law of conservation of energy. C) Relationship between voltage, current, and resistance. D) Newton's second law of motion.
A) Volume B) Voltage C) Varistor D) Velocity
A) Impedance B) Inductance C) Current D) Resistance
A) Reactance B) Resistor C) Reluctance D) Resistance
A) Increases B) Becomes negative C) Remains unchanged D) Decreases
A) Current halves B) Current stays the same C) Current doubles D) Current triples
A) Watt (W) B) Ohm (Ω) C) Volt (V) D) Ampere (A)
A) Michael Faraday B) Thomas Edison C) Nikola Tesla D) Georg Simon Ohm
A) Physics B) Electrical engineering C) Biology D) Chemistry
A) Transformer B) Capacitor C) Resistor D) Diode
A) Increases B) Becomes zero C) Becomes negative D) Remains the same
A) I = V / R B) I = V * R C) I = R / V D) I = V - R
A) Current is directly proportional to voltage. B) Current is constant regardless of voltage. C) Voltage is inversely proportional to current. D) Resistance is exponential with current.
A) Boyle's Law B) Newton's Law of Cooling C) Ohm's Law D) Hooke's Law
A) 0.2 ohms B) 20 ohms C) 8 ohms D) 5 ohms
A) 24 volts B) 12 volts C) 1.33 volts D) 7 volts
A) Non-ohmic materials B) Resistors C) Ohmic materials D) Conductors
A) Mho B) Volt C) Ohm D) Siemens
A) Arnold Sommerfeld B) Paul Drude C) Felix Bloch D) J. J. Thomson
A) Electrons do not contribute to electrical conduction. B) Conduction electrons move randomly with a drift caused by an electric field. C) Electrons only move when heated. D) Electrons are stationary in a conductor.
A) Z = s/L B) Z = sL C) Z = 1/sL D) Z = L/s
A) Z = 1/(sC) B) Z = s/C C) Z = 1/C D) Z = C/s
A) 1855 B) 1827 C) 1879 D) 1814
A) I = V/R B) p = −eEτ C) R = V/I D) V = IR
A) Conductivity B) Capacitance C) Reactance 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) Mathematics has no role in science. B) Experiments are essential for understanding nature. C) Nature is chaotic and unpredictable. D) Scientific truths may be deduced through reasoning alone without experiments.
A) The macroscopic scale B) The atomic scale C) The microscopic scale D) The quantum scale
A) Electrons only scatter off other electrons. B) Electrons are stationary within the lattice. C) Electrons do not interact with the crystal lattice. D) Electrons move as waves through a solid crystal lattice.
A) Step functions B) Simple sinusoids C) Linear functions D) Complex exponentials
A) The free electron model B) Bloch's model C) Quantum band theory of solids D) The Drude model
A) Johnson–Nyquist noise B) Maxwell noise C) Quantum noise D) Thermal noise
A) Electric field B) Conductivity of the material C) Current density D) Resistivity of the material
A) Hostility, calling it a 'web of naked fancies' B) Immediate acceptance and praise C) Indifference D) Support from the Minister of Education
A) Oscilloscope B) Galvanometer C) Voltmeter D) Ammeter
A) Addition B) Division C) Subtraction D) Multiplication
A) σ = n_e e2 ν m_e B) σ = n_e e2 / (ν m_e) C) σ = n_e e / (ν m_e) D) σ = n_e e3 / (ν m_e)
A) Circle with an 'R' B) Long rectangle or zig-zag symbol C) Triangle pointing right D) Square
A) In an open circuit. B) Under varying pressure conditions. C) At a constant temperature. D) At a variable temperature.
A) An exponential curve. B) A parabola. C) A straight line. D) A hyperbola.
A) Conductance B) Reactance C) Impedance (Z) D) Admittance
A) Ohm's principle. B) Joule's first law. C) Maxwell's equations. D) Fourier's principle.
A) Ohmic device B) Non-ohmic device C) Capacitive device D) Reactive device
A) Leyden jars B) Thermocouples C) Voltaic piles D) Gold-leaf electrometer
A) Ohm's principle. B) Joule's first law. C) The Seebeck effect. D) The Peltier effect.
A) ρ = σ + 1 B) ρ = σ / 2 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 |