A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts.The power consumed by the light bulb is 20 watts
a. True
b. False
Indicate whether the statement is true or false
False
You might also like to view...
Snell's Law: The index of refraction of a type of glass is 1.50, and the index of refraction of water is 1.33. If light enters water from this glass, the angle of refraction will be
A. greater than the angle of incidence. B. equal to the angle of incidence. C. less than the angle of incidence.
What can we learn from studying a planet's magnetic field?
What will be an ideal response?
The total mechanical energy of a system
A) is equally divided between kinetic energy and potential energy. B) is either all kinetic energy or all potential energy, at any one instant. C) can never be negative. D) is constant, if only conservative forces act. E) is not uniquely determined for most naturally occurring systems.
The type of EM radiation that has wavelength just a bit shorter than that of visible light is __________
Fill in the blank(s) with correct word