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QusWhich actuator is commonly used in printers to move the print head? Qusप्रिंटर में प्रिंट हेड को मूव करने के लिए आमतौर पर किस एक्चुएटर का यूज़ किया जाता है?


A. Stepper motor
B. Solenoid valve
C. Hydraulic actuator
D. LDR sensor


Solution
A. Stepper motor



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