а. Find the equivalent resistance REg for the resistor combination circuit provided in figure 4. 202 ww 50 ww 18 2 202 22 Figure 4 A heater coil is made using a material of cross section 2.60x10-m2 and a resistivity of 5.00x100-m and voltage of 75 V is applied across the length of the wire. For this heater determine the following: b. i. If the coil dissipates 5000 W, what is its length? ii. If applying a voltage of 100 V produces the same power dissipation, determine the length of the wire. w

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Thermocouple

A thermocouple is a temperature measurement device. It includes diverse metal wires which are joined collectively to form a joint. At the same time as the junction is hot or cold, a small voltage is generated inside the measuring thermocouple electrical circuit, which corresponds to the temperature.