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