. What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? OCA) 8.2 k2 O(B) 820 2 Oc) 8.2 2 OD) 82 2

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter13: Heating Control Devices
Section: Chapter Questions
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. What is the approximate resistance of a
rheostat if the voltage source is 18 V and the
current is 220 mA?
OCA) 8.2 kQ
O(B) 820 2
Oc) 8.2 2
OD) 82 2
Transcribed Image Text:. What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA? OCA) 8.2 kQ O(B) 820 2 Oc) 8.2 2 OD) 82 2
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