A resistor R is connected across a battery of negligible internal resistance. If the resistance of R is doubled, the current in R will be ________.
Fill in the blank(s) with the appropriate word(s).
halved
one half
half
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In the operation of a steam-electric generating plant, the exhaust, or thermal energy output, occurs
A) at the point where the energy from the furnace is transferred into the boiler. B) in the electric generators. C) in the University Chancellor's office. D) at the point where the hot steam pushes against the turbine. E) as part of the operation of the condenser.
A car starts out when the air temperature is 288 K. The air pressure in the tires is 460 kPa. After driving a while, the temperature of the air in the tires increases to 298 K
What is the pressure in the tires at that point, assuming the volume remains constant? A) 476 kPa B) 563 kPa C) 488 kPa D) 498 kPa E) 512 kPa
The figure shows a ‘snapshot’ of four different waves in identical ropes stretched with the same force
The waves with the largest wavelength are waves __________ and ___________.
Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. When she is in the middle of the rope, what is the force on each eyebolt holding the tightrope?
a. 
b. 
c. 
d. 