Question

10. Refer to the diagram on "Speed Control of a Shunt Wound DC Motor, found in the video on "Shunt, Series, and Compound wound motors". Suppose the no load voltage V = 90V, Ra + R1 = 3 ohms, Rsh + RF = 125 ohms, and the motor runs at a rated speed of 1500 RPM when IL = 4 amps. What is the back EMF VB in volts when the motor runs at its rated speed? (Type in a 1-decimal number.)

          10. Refer to the diagram on "Speed Control of a Shunt Wound DC Motor, found in the video on "Shunt, Series, and Compound wound motors".

Suppose the no load voltage V = 90V, Ra + R1 = 3 ohms, Rsh + RF = 125 ohms, and the motor runs at a rated speed of 1500 RPM when IL = 4 amps. What is the back EMF VB in volts when the motor runs at its rated speed?

(Type in a 1-decimal number.)

10. Refer to the diagram on "Speed Control of a Shunt Wound DC Motor, found in the video on "Shunt, Series, and Compound wound motors".

Suppose the no load voltage V = 90V, Ra + R1 = 3 ohms, Rsh + RF = 125 ohms, and the motor runs at a rated speed of 1500 RPM when IL = 4 amps. What is the back EMF VB in volts when the motor runs at its rated speed?

(Type in a 1-decimal number.)

Added by Kimberly B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supreeta N

06/14/2023

Step 1

Step 1: Identify the given values: - No-load voltage, \( V = 90 \, \text{V} \) - Armature resistance, \( R_a + R_1 = 3 \, \text{ohms} \) - Shunt field resistance, \( R_{sh} + R_F = 125 \, \text{ohms} \) - Load current, \( I_L = 4 \, \text{A} \) Show more…

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Refer to the diagram on "Speed Control of a Shunt Wound DC Motor," found in the video on "Shunt, Series, and Compound Wound Motors." Suppose the no-load voltage V = 90V, Ra + R1 = 3 ohms, Rsh + RF = 125 ohms, and the motor runs at a rated speed of 1500 RPM when IL = 4 amps. What is the back EMF VB in volts when the motor runs at its rated speed? (Type in a 1-decimal number.)