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