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WorksheetsSnOASpLMC
Total questions: 20
Worksheet time: 11mins
Which of the formula defines KCL where i1, i2 are incoming currents and i3,i4 are outgoing currents from a node in a circuit?
i1+i2=i3+i4
i1+i3=i2+i4
i1-i2=i3-i4
i4-i1=i2+i3
If the network has a/an ________ between two nodes, the concept of Supernode is used instead of nodal analysis.
Voltage souce
Dependent current source
Independent current source
Resistor
Find P
21.44 V
87.56 V
100 V
34.78 V
Find I1 and 12 flowing in the first and second mesh.
0.96 A, 1.73 A
0.96 A, -1.73 A
-0.96 A, 1.73 A
-0.96 A, -1.73 A
What is the name of the Positive terminal and Negative terminal?
Positive terminal = non-inverting input
Negative terminal = non-inverting input
Positive terminal = inverting input
Negative terminal = non-inverting input
Positive terminal = inverting input
Negative terminal = inverting input
Positive terminal = non-inverting input
Negative terminal = inverting input
What is the output voltage (Vo) and voltage gain (Av)?
Vo = +0.75 V
Av = 0.5
Vo = -0.75 V
Av = -0.5
Vo = -3 V
Av = -2
Vo = +3 V
Av = 2
What is the output voltage (Vo) and voltage Gain(Av)?
Vo = 0.33V
Av = 0.33
Vo = -0.33V
Av = -0.33
Vo = 4V
Av = 4
Vo = -4V
Av = -4
A certain Non inverting amplifier has R1is 1 kΩ and Rf is 100 kΩ. The closed-loop voltage gain is
100
1000
100,000
101
Which one is OP-AMP IC
IC 741
IC 144
IC 555
IC 999
In superposition theorem, when we consider the effect of one voltage source, all the other voltage sources are
Shorted
Opened
Removed
Undisturbed
The concept on which superposition theorem is based on
reciprocity
duality
non-linearity
linearity
The superposition theorem requires as many circuits to be solved as there are
sources, nodes and meshes
sources and nodes
sources
nodes
The circuit with multiple independent current sources is solved using:
Kirchhoff’s current law
Substitution theorem
Superposition theorem
Norton theorem
A transformer with more turns on the primary coil than on the secondary coil does which of the following?
Steps up the voltage
Steps down the voltage
Works only in DC voltage
none of these
With the image, what is the voltage on the secondary coil?
120V
6V
45V
need more information
How to find transformer ratio?
E1/E2
R1/R2
V1/V2
This picture is an example of a ________________.
Motor
Generator
Step-up transformer
Step-down transformer
Ratio of voltages is equal to ratio of _______________________.
number of iron sheets in core
number of coil
number of turns in coil
number of electromagnetic
The function of a transformer is to ...
raise and lower the apparent power levels
transfer DC voltage from the primary winding to the secondary winding
increase or decrease A.C voltage or A.C current levels
transform mechanical energy into electrical energy
