
Quiz sobre Sensor de Luminosidade
Quiz
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Others
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5th Grade
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Practice Problem
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Easy
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa LDR no contexto de sensores de luminosidade?
Laser Diode Resistor
Light Dependent Resistor
Low Density Resistor
Light Diode Resistor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal função de um sensor LDR?
Medir a temperatura
Detectar a intensidade da luz
Medir a umidade
Detectar movimento
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como a resistência de um LDR muda com a luz?
Aumenta com o aumento da luz
Diminui com o aumento da luz
Permanece constante
Aumenta e depois diminui
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o material comum usado em LDRs?
Cobre
Sulfeto de cádmio
Alumínio
Ferro
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em qual aplicação um LDR pode ser usado?
Termômetro
Lâmpada de rua automática
Medidor de pressão
Relógio
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a unidade de medida da resistência de um LDR?
Volts
Ohms
Amperes
Watts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a relação matemática básica entre a resistência de um LDR e a intensidade da luz?
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