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In the circuit below, the current through B is 1.50 A and the current through C is 0.50 A when A has a resistance of 9 Ω. If you replace A with a 27 Ω resistor, the current through B reduces to 0.75 A and C to 0.25 A. Hint: The voltage drop across the battery (Vbattery) equals the voltage drop accross A plus the voltage drop across B (or C). (Kirchoff-law of voltages).
(a) What is the resistance of B?
(b) What is the resistance of C?
(c) What is the voltage of the battery?
He-Ne lasers are often used in physics demonstrations. They produce light of wavelength 633nm, What is the average energy density in the laser beam
An ideal gas with =1.4 occupies 5.5L at 300 K and 120kPa pressure and is compressed adiabatically until its volume is 2.0 L. It's then cooled at constant pressure until it reaches 300 K, then allowed to expand is thermally back to state A. Discover t..
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instructions for ?nding a buried treasure include the following go 304.2 paces at 209? turn to 183? and walk 275 paces
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