A rheostat differs from potentiometer in the respect that it
A. Has lower wattage rating
B. Has higher wattage rating
C. Has large number of turns
D. Offers large number of tapping
Answer: Option B
Solution (By Examveda Team)
A rheostat is designed to handle higher power levels compared to a potentiometer.While both devices are used to vary resistance, rheostats are typically used in applications where high current is involved and are built to dissipate more heat, thus having a higher wattage rating.
Potentiometers, on the other hand, are generally used in low-power applications and have a lower wattage rating.
The key difference lies in their power handling capacity:
Rheostat = High wattage rating
Potentiometer = Low wattage rating This Question Belongs to Electrical Engineering >> Current Electricity
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