A power rating printed on a lightbulb assumes a voltage of 120 V is applied to the bulb. If two 100 W bulbs are connected in series to a 120 V source,

A. each bulb radiates 100 W.
B. each bulb radiates less than 100 W.
C. each bulb radiates more than 100 W.
D. no current will pass through the bulbs.


Answer: B

Physics & Space Science

You might also like to view...

If you were on the moon during a total lunar eclipse, the sun would be hidden behind Earth

Indicate whether the statement is true or false

Physics & Space Science

The fast rotation of neutron stars is a consequence of ________.

A. Wien's law B. their high temperature C. the doppler effect D. the law of conservation of angular momentum

Physics & Space Science

Except for such nuclear processes as nuclear reactors, nuclear bombs, and radioactivity, all of the common forces we see around us daily are due to just two underlying or "fundamental" forces. One of these two forces is the electromagnetic force

The other is A) the gravitational force. B) the frictional force. C) contact forces. D) the strong nuclear force. E) the chemical force.

Physics & Space Science

If an all-electric car has kinetic energy, then it also must have

A) impulse. B) momentum. C) acceleration. D) force. E) none of the above

Physics & Space Science