The unit of electrical resistance is the
A) volt.
B) ampere.
C) ohm.
D) none of the above
Answer: C
You might also like to view...
Why are things torn apart when they near a back hole?
A: The part of the object closer to the black hole feels a greater force B: Space itself is stretched around a black hole C: Black holes are after all cosmic vacuum cleaners D: The spin of a black hole causes objects to twirl around and stretch E: All the atoms in the object start acting as magnets and repel each other
A fundamental force in nature is the
a. strong interaction b. weak interaction c. electromagnetic interaction d. gravitational interaction e. all of the above
The lookback time of the cosmological horizon is
A) the age of the universe. B) the Big Bang . C) 1 billion years. D) 10 billion years.
In a single slit diffraction experiment, the width of the slit is 3.1 × 10-5 m and the distance from the slit to the screen is 2.2 m
If the beam of light of wavelength 600 nm passes through the slit and forms a diffraction pattern on the screen, what is the linear distance on the screen from the center of the diffraction pattern to the first dark fringe? A) 2.1 cm B) 4.3 cm C) 6.3 cm D) 7.4 cm E) 8.5 cm