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Users guide and maintenance manual Leroy Somer Alternators LSA
Users guide and maintenance manual Leroy Somer Alternators LSA

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... 16. A 75 watt bulb and a 150 watt bulb are connected in parallel and the combination is connected to a 120 V line. The bulb that will glow more brightly is the A. 75 watt bulb. B. 150 watt bulb. C. both will glow with the same brightness. 17. The voltage drop across a resistor is 3.0 V for a current ...
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Potentiometer



A potentiometer /pɵˌtɛnʃiˈɒmɨtər/, informally a pot, is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.The measuring instrument called a potentiometer is essentially a voltage divider used for measuring electric potential (voltage); the component is an implementation of the same principle, hence its name.Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick. Potentiometers are rarely used to directly control significant power (more than a watt), since the power dissipated in the potentiometer would be comparable to the power in the controlled load.
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