RAIC Batch 1

A Silicon Controlled Rectifier has

• 3 junctions

• 1 junction

• 2 junctions

• 4 junction

 What is the value of a six-band resistor which has band color Green, Blue, Black, Orange, Violet, Brown?

• 560KΩ, ± 0.10%, Temp co-efficient 100ppm/°C

• 56KΩ, ± 0.10%, Temp co-efficient 100ppm/°C

• 560KΩ, ± 0.25%, Temp co-efficient 50ppm/°C

• 560KΩ, ± 0.50%, Temp co-efficient 250ppm/°C

The Inductor doesn’t allow sudden changes in

• Resistance

• Voltage

• Current

• Inductance

The loading effect of voltmeter is reduced using

• Low internal resistance

• Medium internal resistance

• High internal resistance

• None of these

Potentiometer as a displacement sensor works on the principle of

• Hall Effect

• Self Inductance

•  Mutual Inductance

• Variable Resistance Transduction

Will an infrared proximity sensor detect a black object when it comes in suitable range?

• Yes, It will detect the object

• No, It will not detect the object

• Yes but it will produce random output

• The sensor will stop working

Which protocol is used by proximity sensor?

• UART

• USART

• I2C

• SPI

What mode should we put the Arduino pin to, in order for object detection to work with the Ultrasonic Sensor?

• TDM

• Analog

• PCM

• Digital

What kind of device is the Relay Module?

• Switching Device

• Passive Device

• Active Device

• Transducer

What is the use of the EN3_4 pin?

• Input

• Output

• Power Supply

• Activation