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