Review Semester 2: Question Preview (ID: 25413)

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Which scientist discovered the electrical force between two objects?
a) Einstein b) Oersted c) Faraday d) Coulomb
Which scientist stated that forces exerted on a compass are perpendicular to the electrical current?
a) Coulomb b) Einstein c) Oersted d) Milikan
Which of the following only lists electrical insulators?
a) Cardboard, paper, tin b) Copper, tin, gold c) Cardboard, paper, rubber d) plastic, wet skin, copper
Which of the following only lists electrical conductors?
a) Cardboard, paper, tin b) Copper, tin, gold c) Cardboard, paper, rubber d) Plastic, wet skin, copper
In a step down transformer...
a) current is decreased, voltage is increased b) current is increased, voltage is decreased c) current stays the same, voltage decreases d) None of the above
Beta decay uses....
a) strong nuclear forces b) weak nuclear forces c) electrostatic forces d) gravitational forces
Transverse waves move at a _______ angle to the particles
a) 60 b) 90 c) 120 d) 180
This wave moves parallel to the particles.
a) light b) sound c) ocean d) infrared
every object has a natural frequeny. when this frequency is matched, it produces an increasing amplitude. This is called...
a) diffraction b) resonance c) reflection d) refraction
Fiber optic cables transmit...
a) sound b) electricity c) light d) ultraviolet
Photons have
a) energy and no momentum b) momentum and no energy c) neither energy nor momentum d) both energy and momentum
The kinetic energy of electrons during the photoelectric effect is due to...
a) intensity of the light b) frequency of the light c) speed of light d) none of the above
Different elements produce different emission spectras because each element has a unique...
a) number of protons b) configuration of electrons c) response to heating d) state of matter at room temperature
Missing mass energy equivalence is described by wheich equation
a) PE=mgh b) KE=1/2mv^2 c) E=mc^2 d) F=ma
Transformers use...
a) Ohm's Law b) Electricity and Magnetism c) Nuclear Fission d) Radioactive decay
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