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