tor isconnected directly to the full pressure of the supply, the current forit being simply regulated by the series resistance only. THE ELECTRICAL APPARATUS 75 As long as the switch is closed, a large current passes through theshunt circuit and has to be paid for, although only a portion is… … Fig. 45.—Shunt Resistance. and is left connected with the main for one hour, the consumptionof current with a 100-volt supply is one and a half units, and it istwice as much with a 200-volt supply. The price of the unit being6d., the cost for using the apparatus for one hour on a 100-voltsupply…
X-rays · Radiography
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