Q1. Choose the right option for the following. [. viny 1. If a DC voltage is applied to a DC motor, then, according to Fleming's Left hand Rule, the moto that develops a torque which causes the rotation. will experience. a. Back EMF (Eb) b. Mechanical force c. Energy d. None of the above 2. The lost torque resulting from the difference (Ta - Tsh) represents_ a. iron loss c. friction loss 3. Ta/la characteristic in series motor is a a. straight line d. if the answer is not existed above, then draw the C/CS Conorator is said to be commutatively-compounded when b. curve (parabola) b. electrical loss d. both a and c c. curve (exponential)

Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
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Q1. Choose the right option for the following. Con
viny
1. If a DC voltage is applied to a DC motor, then, according to Fleming's Left hand Rule, the motor
that develops a torque which causes the rotation.
will experience.
a. Back EMF (Eb)
b. Mechanical force
c. Energy
d. None of the above
2. The lost torque resulting from the difference (Ta - Tsh) represents_
a. iron loss
c. friction loss
3. Ta/la characteristic in series motor is a
a. straight line
d. if the answer is not existed above, then draw the C/CS
b. curve (parabola)
4. Generator is said to be commutatively-compounded when_
a. series field aids the shunt field
c. the commutation device is used
a. it reduce the core resistance
c. it reduce the core weight
b. electrical loss
d. both a and c
c. curve (exponential)
b. series field opposes the shunt field
d. none of the above
5. Thin laminations eliminate the eddy current losses in the armature core, since
b. it increase the core resistance
d. it make the core as a short circuit
Transcribed Image Text:Q1. Choose the right option for the following. Con viny 1. If a DC voltage is applied to a DC motor, then, according to Fleming's Left hand Rule, the motor that develops a torque which causes the rotation. will experience. a. Back EMF (Eb) b. Mechanical force c. Energy d. None of the above 2. The lost torque resulting from the difference (Ta - Tsh) represents_ a. iron loss c. friction loss 3. Ta/la characteristic in series motor is a a. straight line d. if the answer is not existed above, then draw the C/CS b. curve (parabola) 4. Generator is said to be commutatively-compounded when_ a. series field aids the shunt field c. the commutation device is used a. it reduce the core resistance c. it reduce the core weight b. electrical loss d. both a and c c. curve (exponential) b. series field opposes the shunt field d. none of the above 5. Thin laminations eliminate the eddy current losses in the armature core, since b. it increase the core resistance d. it make the core as a short circuit
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