Icpm - quiz (1st round)

The device that uses metal on one side of the junction and n-type material on other side is

• Hot-carrier diode

• Varactor diode

• Shockley diode

• Point-contact diode

In a thermodynamic process the volume remains constant. The process is called_______

• Isothermal

• Adiabatic

• Isochoric

• Isobaric

The coordination number of NaCl structure is ________

• 6

• 8

• 12

• 4

In a cyclic process, the change in internal energy is________

• infinity

• zero

• equal to area of cycle

• can not be determined

The magnetisation of a superconductor is_______

• 0

• +H

• 1

• -H

A buck converter is used to

• Exactly double the voltage

• Stabilize the voltage

• Step up the voltage

• Step down the voltage

what is the following is a dimensionless constant

• Young's modulus

• poisson's ratio

• bulk modulus

• modulus of rigidity

The PIV of half wave rectifier always equals the

• Peak value of primary voltage

• Peak to peak value of primary voltage

• Peak value of secondary voltage

• Peak to peak value of secondary voltage

A meson has a speed of 0.6C with respect to ground and its time of flight with respect to rest frame is 2 ×10-8s, then the time of flight observed with respect to itself is

• 1.3 ×10-⁸s

• 2.5 ×10-⁸s

• 3.3 ×10-⁸s

• 4.2 ×10-⁸s

According to thevenin’s theorem, the voltage source can be reduced to zero by

• Replacing with Short

• Replacing with Open

• Using Bypass capacitor

• Using Coupling capacitor