Physics, 28.06.2019 00:30 conceitedkayy1865
The circuit shown is used to control the brightness of two identical lamps. the variable resistor is adjusted until the lamps operate at their correct voltage of 3.0v 1) when the lamps operate at the correct voltage, the reading on the ammeter is 1.2a. calculate the current in one lamp.
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Write a brief essay describing the minimum requirements for any electric circuit. within your essay,
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