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