Assume that an ohmic light bulb’s brightness is directly proportional to the power it dissipates. If we replace the battery in our simple circuit with one with twice the characteristic potential difference, the bulb’s brightness
A. remains the same.
B. increases by a factor of 2.
C. increases by a factor of 4.
C. increases by a factor of 4.
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a. True b. False Indicate whether the statement is true or false
What is the radius of curvature of the path of a 3.0-keV proton in a perpendicular magnetic field of magnitude 0.80 T?
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