- photovoltaic action
The temperature coefficient of an extrinsic semiconductor material is _______.
- Negative
For a silicon diode, the forward bias voltage
- Must be greater than 0.7V
What do you call a “computer on a chip”?
- Transputer
Monolithic technique is ideally suitable in fabricating _______
- digital IC’s
For a given line voltage, for heating coils will produce maximum heat when connected in ______.
- Parallel
Frequency stability in an oscillator can be achieved by _________.
- incorporating tuned circuits
Lower cut-off frequency of an amplifier can be determined by its _____.
- Capacitance coupling and bypass capacitor
The sediment which accumulates at the bottom of a lead-acid battery consists largely of ______.
- Antimony-lead alloy
The function of a pilot cell in a storage battery is to _______.
- Indicate the condition of the entire battery.
Class of amplifier which has the highest distortion.
- Class C
Unit of Magnetic flux
- Weber
During charging of a lead-acid cell
- its volume increases
Unit of electric intensity
- Newton/coulomb and Volt/meter
Active materials nickel-iron battery
- Nickel hydroxide, powdered iron and its sodium and 20% solution of caustic
Unit of permeability of a medium
- Farad/meter
In line voltages, heating coil will produce maximum heat when connected in
- Parallel
kpW is classified as
- recording instrument
The most dangerous short circuit is
- dead short circuit
The first IC chip was invented by
- J. S. Kilby
In high pass RC circuit, when the value of capacitance is doubled, the frequency cut-off is
- Halved
- measuring inductance impedance with large phase angle
A transputer has __ bits.
- 32
BCD is a _____.
- binary code
2 x 8 RAN means
- 2 eight bit data words
Lead-acid cell does not depend on ______.
- rate of change
When charge is given to the battery taken off from a vehicle is called ______.
- bench charge
In forward bias, the diode
- conducts current
The capacitor has
- 2 conductors separated by a dielectric
A dual trace CRO has
- 1 electron gun and 1 two-pole switch
Gold is used in doping a semiconductor material to
- reduce storage time
What element is not suited for doping an intrinsic to be converted into an N Type extrinsic semiconductor?
- Iridium
JFET operates in
- depletion mode only
The trickle charge of storage battery
- keeps the battery fresh and fully charged
Consider the energy gap diagram of an intrinsic semiconductor. FERMI lies on the ______.
- Forbidden gap
The operation of Q-meter is based on _______.
- series resonance
The temperature coefficient of an extrinsic semiconductor is _______
- Negative
A 32 bit, “Computer on a chip” is also known as ___
- Transputer
In a low pass filter, the cut-off frequency is represented by a point where the output voltage is reduced to _____% of the input voltage.
- 70.7%
In higher forward voltages, a junction diode is likely to ______.
- burn out
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