You are designing a circuit to power a night light, and want to keep the light level as low as possible. The wire you use can handle up to 3 Amps of current; higher than that and the circuit will shut down automatically. If the power supply is 120 V, what is the smallest number of 2.3 Ohm light bulbs you can put in series in the circuit without exceeding the maximum current?
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The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.
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In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
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Which is an advantage of subdividing science into different areas?
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You are designing a circuit to power a night light, and want to keep the light level as low as possi...
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