A heater is rated at 1200 watts for a 120-volt source.If two heaters are connected in parallel across the 120-volt source, the current in amperes drawn from the source is
a. 5 b. 10.
c. 20 d. none of the above.
c
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What is the minimum possible mass for a star?
A) 0.01 solar masses B) 0.008 solar masses C) 0.1 solar masses D) 0.08 solar masses
The element ______________ was the gas used in the Hindenburg
Fill in the blank(s) with correct word
If the distance between the slits is doubled in Young’s experiment, what happens to the width of the central maximum?
1.The width is doubled. 2.The width is unchanged. 3.The width is halved.
Think of Bernoulli's equation as it pertains to an ideal fluid flowing through a horizontal pipe. Imagine that you take measurements along the pipe in the direction of fluid flow. What happens to the sum of the pressure and energy per unit volume?
a. It increases as the pipe diameter increases. b. It decreases as the pipe diameter increases. c. It remains constant as the pipe diameter increases. d. No choices above are valid.