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