
Motor DC e Ponte H
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12th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função do rotor em um motor DC?
Criar um campo magnético estacionário
Converter energia elétrica para mecânica
Inverter a direção da corrente
Conduzir a corrente do circuito externo.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual parte do motor DC fica em contato constante com o comutador?
A) Estator
B) Rotor
C) Escovas
D) Eixo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: O movimento contínuo do rotor é mantido pelo ______ que inverte periodicamente a direção da corrente.
estator
rotor
comutador
eixo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: A força aplicada nas espiras de fio é devido ao ______ magnético gerado pelo estator.
campo
torque
tensão
resistência
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: O Motor DC com excitação independente permite um maior controle sobre a _______ e o torque.
A) velocidade
B) manutenção
C) interferência
D) peso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete: A comutação rápida da corrente pode gerar _______ elétrico.
torque
velocidade
ruído
simplicidade
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a função da ponte H em sistemas robóticos?
A) Aumentar a tensão
B) Inverter a polaridade da corrente
C) Reduzir o torque
D) Controlar a temperatura
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