NEW
Font size
WorksheetsEDC
Total questions: 16
Worksheet time: 16mins
The energy band in which free electrons exist is the
first band
second band
conductive band
valence band
Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?
Boron
Arsenic
Indium
Gallium
Doping of Semiconductors
materials which can conduct electricity better than insulator, but not as well as conductors
The process of adding of a certain amount of specific impurities atoms in the pure semiconductor
when 4 electrons in outermost orbit
None of these
The characteristics of p-type semiconductors is includes
Majority carriers are electron
Has tendency to gain electron
Has tendency to donor electron
Easy to conduct electricity
Which is not one of the properties of semiconductor?
4 electrons in outermost orbit, in covalent bonding.
atoms vibrate causes electron to break free from the bonds
Electron free leaves hole
Semiconductor has 2 types of charge carriers
all of the above are the properties of it
Resistance is measured in ___
volts
amps
ohms
coulombs
A path that is made for an electric current is?
Static electricity
conductor
A circuit
resistor
As the resistance of a circuit increases (voltage remains constant), the current will
increase
decrease
stay the same
none of these
What is electric current?
The number of charged particles that pass a point each second
The difference in potential
The resistance
Light Emitting Diode
A circuit has 120 volts, and a 45 ohm resistor. How much current is there?
5400 A
2.7 A
0.375 A
165 A
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
12 volts
24 volts
1.3333
48 volts
A resistor's first three color bands are brown, black, and red. What is its value?
10 ohms
10K ohms
200 ohms
1000 ohm
A 47K ohm resistor would have which colors on its first three bands?
Yellow, Violet, White
Yellow, Violet, Orange
Red, White, Blue
Orange, Yellow, Violet
Which of these colors is NOT used in the resistor value color code?
White
Black
Violet
Pink
What is the tolerance for a Red, Brown, Brown, Silver resistor?
1%
20%
5%
10%
1 kΩ +/- 5%
1 kΩ +/- 10 %
100 +/- 5%
102 +/- 10 %
