2. If the load of a wye connected transformer are la = 10 cis -30 deg, lb = 12 cis 215 deg, Ic= 15 cis 82 deg, find the positive sequence component of phase b current. 13.4 cis -32.2 deg 10.2 cis 240 deg 12.27 cis 208.4 deg 10.2 cis 120 deg 12.27 cis -31.6 deg

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Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors.  The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.