Top 50+ Solved Force,Magnetic and Heading Sensors MCQ Questions Answer
Q. Bonding element in a strain gauge must have __________
a. zero insulation resistance
b. low insulation resistance
c. high insulation resistance
d. infinite insulation resistance
Q. In AMR the resistance produced by scattering is_ _ _ _ __ when the magnetization direction is parallel to the current direction
a. Zero
b. Minimum
c. Maximum
d. infinite
Q. The below picture is an application of _ _ _ _
a. Radio beacon
b. Load cell
c. magnetoresistance
d. MEMS sensor
Q. Commonly used elements for wire strain gauges are __________
a. Nickel and copper
b. nickel and gold
c. gold and brass
d. silver and aluminium
Q. In Hall Effect sensor, the magnitude of the voltage generated depends on the _ _ _ _ _.
a. Strength of the magnetic field
b. Strength of the current
c. Property of the conductor
d. All the above
Q. _ _ _ _ _ depends on the angle between the electric current and themagnetization direction
a. Anisotropic Magnetoresistance
b. Giant Magnetoresistance
c. Tunnel Magnetoresistance
d. All the above
Q. Load cells are used for measuring _______________
a. Large weights only
b. Small weights only
c. Weights moving in high speed
d. Slowly moving weights
Q. Optical gyroscopes - operate on the principle of the _ _ _ _ _
a. Mutual inductance
b. Lenz law
c. Faradays law
d. Sagnac Effect
Q. The change in resistance in strain gauge can be calculated by _____________
a. Kelvin bridge
b. Maxwell bridge
c. Wheatstone bridge
d. Wien bridge
Q. Bonded type strain gauge depends upon____
a. Filament construction
b. Material of the filament wire
c. Cement used to bond the filament to the carrier
d. All the above
Q. In AMR the 45º alignment is commonly achieved by patterning _ _ _ _ _of highly conductive metal onto the more resistive AMR material
a. Perpendicular stripes
b. Parallel stripes
c. Diagonal stripes
d. Rectangle strips
Q. In Hall Effect, the electric field applied is perpendicular to both current andmagnetic field?
a. True
b. False
c. none
d. none