Q3) A device has two sensors, one measuring the temperature and the second measure the current. The temperature sensor is a thermocouple gives output signal considered linearly proportional to the temperature between 0V and 20 mV for 0°C temperature and 150°C, respectively. Whereas, the current measuring sensor gives voltage proportional to the current between OV and 1V for 0A and 2A ,respectively. The temperature should not exceed 100°C and the current should be less than or equal to 1.2 A. The device should work only if the two mentioned conditions are both true. Design a circuit to make the device works according to those conditions, the device relay should get 5 V to switch it on, and OV make it off.
Q3) A device has two sensors, one measuring the temperature and the second measure the current. The temperature sensor is a thermocouple gives output signal considered linearly proportional to the temperature between 0V and 20 mV for 0°C temperature and 150°C, respectively. Whereas, the current measuring sensor gives voltage proportional to the current between OV and 1V for 0A and 2A ,respectively. The temperature should not exceed 100°C and the current should be less than or equal to 1.2 A. The device should work only if the two mentioned conditions are both true. Design a circuit to make the device works according to those conditions, the device relay should get 5 V to switch it on, and OV make it off.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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![Q3) A device has two sensors, one measuring the temperature and the second measure the current.
The temperature sensor is a thermocouple gives output signal considered linearly proportional to the
temperature between OV and 20 mV for 0°C temperature and 150°C, respectively. Whereas, the current
measuring sensor gives voltage proportional to the current between OV and 1V for 0A and
2A ,respectively. The temperature should not exceed 100°C and the current should be less than or equal
to 1.2 A. The device should work only if the two mentioned conditions are both true. Design a circuit to
make the device works according to those conditions, the device relay should get 5 V to switch it on, and
OV make it off.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1ec047ab-b970-4f41-b768-7d504b75e2d5%2F6fc69d3c-08a4-4c72-9b37-2f44c290f593%2F4e2b8yo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3) A device has two sensors, one measuring the temperature and the second measure the current.
The temperature sensor is a thermocouple gives output signal considered linearly proportional to the
temperature between OV and 20 mV for 0°C temperature and 150°C, respectively. Whereas, the current
measuring sensor gives voltage proportional to the current between OV and 1V for 0A and
2A ,respectively. The temperature should not exceed 100°C and the current should be less than or equal
to 1.2 A. The device should work only if the two mentioned conditions are both true. Design a circuit to
make the device works according to those conditions, the device relay should get 5 V to switch it on, and
OV make it off.
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