The breaking of crystals along definite direction is called _____________________? April 17, 2025 by admin A. Cleavage B. Symmetry C. Isotropy D. Homogeneity
In simple cube one atom or molecule lies at its______________________? April 17, 2025 by admin A. Force corners B. Nine corners C. Eight corners D. Six corners
A vacant or partially filled band is called _____________________? April 17, 2025 by admin A. Conduction band B. Valence band C. Forbidden band D. Empty band
The electrons in conduction band are free to___________________? April 17, 2025 by admin A. Transport vibrations B. Transport signals C. Transport charge D. Transport impulses
Many of the semi conductors are crystals of the type__________________? April 17, 2025 by admin A. Face centred cubic B. Body centred cubic C. Simple cubic D. All of the above
Holes can exist in____________________? April 17, 2025 by admin A. Conductors B. Insulators C. Semi conductors D. All of the above
In a semiconductors the charge carriers are ___________________? April 17, 2025 by admin A. Holes only B. Electrons only C. Electron and holes both D. All of the above
The net charge on n-type material is____________________? April 17, 2025 by admin A. Positive B. Negative C. Both positive and negative D. Neutral
Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called____________________? April 17, 2025 by admin A. magnetic flux B. magnetic field intensity C. magnetic induction D. self inductance
What is the value of the current in a wire of 10cm long at the right angle to a uniform magnetic field of 0.5 Weber/m2 when the force acting on the wire is 5N ? April 17, 2025 by admin A. 1A B. 10A C. 100A D. 1000A