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WorksheetsILP Pre Test
Total questions: 25
Worksheet time: 35mins
What is the resistance value of the resistor shown?
100 ohm
1 kilo-ohm
10 kilo-ohm
100 kilo-ohm
An electronic component used to store electric charge is
inductor
resistor
capacitor
none of these
What is this ?
Fixed Resistor
Resistor
Variable Resistor
Three capacitors 1.0 μ F, 1.5 μ F and 2.0 μ F are connected in series. What is the equivalent
capacitance of the capacitors?
4.50 μ F
2.17 μ F
0.46 μ F
0.25 μ F
The units of capacitance are
Volts/coulomb
Farad
Coulomb
Ohms
What is the formula for calculating the energy stored in a capacitor?
E = 0.5 * C * V^2
E = C / V
E = V / C
E = C * V
How do you know which is the negative leg?
Shorter leg is positive
Shorter leg is negative
Negative leg is different color
Positive legs always have a + on them
What is the function of a resistor?
Stop current flow
Limit voltage
Limit current flow
To light up
Select the correct polarity for forward bias
What is the material typically used to make diodes?
Iron
Silicon
Aluminum
Copper
What do photodiodes do?
Convert light to electricity
Regulate voltage
Generate light
Convert AC to DC
For a p-channel FET, What is the direction of current flow?
Source to drain
Drain to source
Gate to source
Gate to drain
What are the 3 legs of a transistor called?
Base, Electrode, Commiter
Bridge, Collector, Extruder
Base, Collector, Emitter
Brake, Collection, Emit
A transistor is essentially what?
An output device
An electronic switch
A deivce that limits the flow of power
What are the color codes for a 470K ohm resistor?
Orange, Grey, Orange
Yellow, Violet, Yellow
Yellow, Violet, Orange
Orange, Grey, Yellow
As the resistance of a circuit increases, the current will...
increase
decrease
stay the same
What is the total current in this circuit?
30 A
60 A
2 A
0.5 A
What is the unit of inductance in the International System of Units?
Henry
Ohm
Watt
Farad
What is the basic structure of an inductor?
A flat metal sheet
A coil of wire
A solid block of iron
A series of capacitors
Name the op-amp configuration
Inverting Op Amp
Non - Inverting
Op Amp
Summing Inverting Op-Amp
Summing Non-Inverting Op-Amp
In a series circuit, which of the parameters remain constant across all circuit elements such as resistor, capacitor and inductor etc.?
voltage
current
both voltage and current
neither voltage and current
