Given an input energy from sunlight of 1000 kWh, solar panels can generate about 170 kWh of electrical energy while "energy crops" grown for biomass can generate about 3.5 kWh from the same input energy. In effect, 1 acre of solar panels will produce the same amount of energy as about __________ of "energy crops". (Fill in the blank.)   Question 3 options:   100 acres   250 acres   5 acre   50 acres

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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.