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