A common emitter amplifier has a voltage gain of 50, an input impedance of 100 , and an output impedance of 200 . The power gain..
Copper has face centred cubic (fcc) lattice with interatomic spacing equal to 2.54 A. The value of lattice constant for this latti..
In the bandgap between valence hand and conduction band in a material is 5.0 eV, then the material is
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..
If a- current gain of a transistor is 0.98. What is the value of B- current gain of the transistor?
A solid reflects incident light and its electrical conductivity decreases with temperature. The binding in this solid is
Atomic radius of fcc is
The nearest distance between two atoms
In a cubic unit cell of bcc structure, the lattice points (i.e. number of atoms) are
An n-p-n transistor can be considered to be equivalent to two diodes, connected. Which of the following figures is the correct one..
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
A solid that transmits light in visible region and has a very low melting point possesses
A material has N atom in its crystal structure which is a hexagonal close packed
Sodium has body centred packing
The ionic bond is absent in
Copper has face centered cubic (fcc) lattice with interatomic spacing equal to
The laptop PCs modern electronic watches and calculators
In good Conductors of electricity, the type of bonding that exists is
Which of the following is an amorphous solid
What is the net force on a
The crystal structure can be studied by using
A Si and a Ga diode has identical physical dimension
In a common-emitter amplifier the input signal is applied across the
The term liquid crystal refers to a state that is intermediate between
A solid reflects incident light and its electrical conductivity decreases with temperature
If the lattice parameter for a crystalline structure is
Bonding in a germanium crystal
Absorption of X-Rays is maximum in which of the following material sheet of same thickness
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
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 order to rectify an alternating current one uses a
In a transistor the base is
For a crystal system,a=b=c
when NPN transistor is used as an amplifier
The ionic bond is absent in
The energy band gap (distance between the conduction band and valence band) in conductor is
In a semiconductor, separation between conduction and valence band is of the order of
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