Q. Which is an example of infrared proximity sensor?

View solution

Q. Which is the emf (electromotive force) induced in a coil if it has 10 turns and rate of change of flux with respect to time is 1?

View solution

Q. A capacitive proximity sensor can detect only metallic object.

View solution

Q. A proximity sensor does not work if the temperature exceeds 100 degree Celsius.

View solution

Q. Which type of proximity sensor can be used as touch sensor?

View solution

Q. Which type of proximity sensor can detect a magnetic substance even if a wall of non-ferrous substance is made?

View solution

Q. Which type of lens is generally used in the PIR sensors?

View solution

Q. The Samuel motion sensor works on which principle?

View solution

Q. Tomographic sensors uses which type of waves for motion detection?

View solution

Q. Combined motion sensors are triggered when all the motion sensors detect a motion.

View solution

Q. Microwave motion sensors has more area coverage than the PIR sensors.

View solution

Q. What is the frequency range of the ultrasonic sound waves used by the ultrasonic sensors?

View solution

Q. PIR stands for ____

View solution

Q. RCWL- 0516 is an example of which type of sensor?

View solution

Q. The distance range of detection of the PIR sensor is ________

View solution

Q. “SAW” in respect to acoustic wave technology stands for ______

View solution

Q. A car moves with a speed of 30 km/hr. What will be the speed of the same car measured by a speed sensor which is placed in a truck which is moving with a speed of 20 km/hr in the same direction?

View solution

Q. A moving platform moves with a speed of 100 km/hr. What will be the speed of a boy who is running on it with a speed of 10 km/hr along the motion of the moving track measured by a speed sensor placed on stationary ground?

View solution

Q. A car moves with a speed of 60 km/hr. What will be the speed of the same car measured by a speed sensor which is placed in a bicycle which is moving with a speed of 12 km/hr in the opposite direction?

View solution

Q. A moving platform moves with a speed of 80 km/hr. What will be the speed of a boy who is running on it with a speed of 20 km/hr opposite to the motion of the moving track measured by a speed sensor placed on stationary ground?

View solution