R2 R9 '3 R, R8 Here R1=11k0, R2=11kQ, R3=2.2kQ, R4=11kQ, R5=11kQ, R6=22KQ, R7=1.1kQ , R8=2.2kQ, R9=1.1kQ are the resistances on the circuit where kQ stands for kilo ohm. The electromotive forces of the batteries are E1=8volts and E2=7volt a) Calculate the current through R1. b) Calculate the current through Rbk and call it lbk ? c)Calculate the potential difference across the oc terminal. lo ww

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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.