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What is Back EMF in DC Motors? - Another Teaching Moment | DigiKey

In this video, the relationship between current and magnetic flux creating back electromotive force is discussed as well as the left-hand and right-hand rules used for determining magnetic field direction and current flow.

3/30/2021 5:14:50 PM

Part List

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
SQUARE FORCE-SENSITIVE RESISTOR1075SQUARE FORCE-SENSITIVE RESISTOR0 - Immediate$61.25View Details
GEARMOTOR 60 RPM 6V108100005GEARMOTOR 60 RPM 6V0 - Immediate$74.09View Details
STANDARD MOTOR 13800 RPM 12V121388800010ASTANDARD MOTOR 13800 RPM 12V0 - Immediate$1,271.99View Details
GEARMOTOR 639 RPM 12V W/ 1/19290-006GEARMOTOR 639 RPM 12V W/ 1/190 - Immediate$164.56View Details
GEARMOTOR 125 RPM 6V W/ 1/53290-008GEARMOTOR 125 RPM 6V W/ 1/530 - Immediate$164.56View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-41-04-006STANDARD MOTOR 4000 RPM 24V25 - Immediate$799.57View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-61-04-013STANDARD MOTOR 4000 RPM 24V7 - Immediate$1,008.58View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-81-04-019STANDARD MOTOR 4000 RPM 24V5 - Immediate$1,056.82View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-100-04-025STANDARD MOTOR 4000 RPM 24V0 - Immediate$1,371.53View Details
STANDARD MOTOR 4000 RPM 36VQBL5704-94-04-032STANDARD MOTOR 4000 RPM 36V7 - Immediate$1,330.37View Details
STANDARD MOTOR 4000 RPM 36VQBL5704-116-04-042STANDARD MOTOR 4000 RPM 36V9 - Immediate$1,524.32View Details
SERVOMOTOR 4000 RPM 24VPD42-1-1670-CANOPENSERVOMOTOR 4000 RPM 24V2 - Immediate$2,952.16View Details
SERVOMOTOR 4000 RPM 24VPD42-1-1670-TMCLSERVOMOTOR 4000 RPM 24V0 - ImmediateSee Page for PricingView Details
SERVOMOTOR 4000 RPM 24VPD42-2-1670-CANOPENSERVOMOTOR 4000 RPM 24V1 - Immediate$3,110.38View Details
SERVOMOTOR 4000 RPM 24VPD42-2-1670-TMCLSERVOMOTOR 4000 RPM 24V3 - Immediate$3,110.38View Details
SERVOMOTOR 4000 RPM 24VPD42-3-1670-CANOPENSERVOMOTOR 4000 RPM 24V3 - Immediate$3,458.43View Details
SERVOMOTOR 4000 RPM 24VPD42-3-1670-TMCLSERVOMOTOR 4000 RPM 24V0 - Immediate$3,261.77View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-100-04-025-1KSTANDARD MOTOR 4000 RPM 24V4 - Immediate$2,066.89View Details
STANDARD MOTOR 4000 RPM 24VQBL4208-61-04-013-1KSTANDARD MOTOR 4000 RPM 24V5 - Immediate$1,720.41View Details

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