The nature of binding for a crystal with alternate and evenly spaced positive and negative ions is
when NPN transistor is used as an amplifier
A common emitter amplifier has a voltage gain of 50, an input impedance of 100 , and an output impedance of 200 . The power gain..
In a common-base mode of a transistor, the collector current is 5.488 mA for an emitter current of 5.60 mA. The value of the base ..
If a- current gain of a transistor is 0.98. What is the value of B- current gain of the transistor?
The current gain of a common-base transistor circuit is 0.96. On changing the emitter current by 10.0 mA, the change in the base c..
A change of 8.0 mA in the emitter current brings a change of 7.9 mA in the collector current. The values of Î± and B are
In the bandgap between valence hand and conduction band in a material is 5.0 eV, then the material is
Copper has face centred cubic (fcc) lattice with interatomic spacing equal to 2.54 A. The value of lattice constant for this latti..
In a cubic unit cell of bcc structure, the lattice points (i.e. number of atoms) are
For an insulator, the forbidden energy gap is
Atomic radius of fcc is
A solid reflects incident light and its electrical conductivity decreases with temperature. The binding in this solid is
An n-p-n transistor can be considered to be equivalent to two diodes, connected. Which of the following figures is the correct one..
In a common-emitter amplifier the input signal is applied across the
A solid that transmits light in visible region and has a very low melting point possesses
The nearest distance between two atoms
A material has N atom in its crystal structure which is a hexagonal close packed
Sodium has body centred packing
An amplifier has a voltage gain AV =1000. The voltage gain in dB is
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to
In good Conductors of electricity, the type of bonding that exists is
The ionic bond is absent in
The laptop PCs modern electronic watches and calculators
A Si and a Ga diode has identical physical dimension
The term liquid crystal refers to a state that is intermediate between
Which of the following is an amorphous solid
What is the net force on a
If the lattice parameter for a crystalline structure is
The crystal structure can be studied by using
Bonding in a germanium crystal
Absorption of X-Rays is maximum in which of the following material sheet of same thickness
A solid reflects incident light and its electrical conductivity decreases with temperature
For a cubic crystal structure which one of the following relations indicating the cell characteristic is correct
In a common-base amplifier, the phase difference between the input signal voltage and output voltage is
In order to rectify an alternating current one uses a
The forward biased diode connection is
In a common emitter - amplifier, the input signal is applied across
The part of a transistor which is heavily doped to produce a large number of majority carriers is
In a transistor the base is
Connect With Answers
We are available 24x7 to answer.
TestprepKart [Answers] is a global answer platform for all students, teachers and contributors to help community grow and share knowledge. TestprepKart [Answers] is primarily focused on School Exam Preparation, Entrance Exam Preparation, UG Admissions Worldwide. Share your doubts and help others getting their answers is the spirit of TestprepKart [Answers].