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Worksheets23EEE201 - ELECTRIC CIRCUIT ANALYSIS
Total questions: 20
Worksheet time: 15mins
According to ohm’s law:
The voltage is constant to current
The voltage is directly proportional to current
The voltage is inversely proportional to current
The voltage is directly proportional to resistance
Three resistances of 10Ω, 15 Ω and 30 Ω are connected in parallel. The total resistance of the combination is…
5 Ω
10 Ω
15 Ω
55 Ω
The nodal method of circuit analysis based on.......
KVL and Ohm’s law
KCL and KVL
KCL, KVL and Ohm’s law
KCL and Ohm’s law
Voltage division rule is valid for….
series circuit
parallel circuit
both of these
none of these
The superposition theorem is based on the concept of.....
Duality
Linearity
Reciprocity
Non-linearity
In Reciprocity Theorem, which of the following ratios is considered?
Current to current
Voltage to current
Voltage to voltage
No ratio is considered
Which of the following is also known as the dual of Thevenin’s theorem?
Maximum power transfer theorem
Millman’s theorem
Superposition theorem
Norton’s theorem
What is the condition for maximum power transfer theorem?
RL=Rth
RL=IL
Rth=Vth
IL=VL
As XL = XC in a series resonance circuit, the impedance is_____
purely capacitive
purely inductive
purely resistive
capacitive and inductive
A series resonant circuit at low frequency, circuit impedance is..... and at high frequency circuit impedance is....
Capacitive, Inductive
Inductive, Capacitive
Resistive, inductive
Capacitive, Resistive
For the three coupled coils shown in figure, calculate the total inductance.
16 H
10 H
8 H
12 H
The coefficient of coupling is a factor used when two coils......
are connected with a wire
are connected in parallel
are mutually coupled in a magnetic circuit
of same value connected with a wire
The time constant of an R-C circuit is?
R/C
RC
C
R
If the roots of an equation are real and unequal, then the response will be?
critically damped
under damped
over damped
undamped
The capacitor at t=0 with zero initial condition acts as…
Short circuit
Open circuit
Voltage source
Current source
The value of the time constant in the R-L circuit is?
L/R
R/L
R
L
The minimum number of wattmeters to measure power in a 3-phase unbalanced star-connected load is.....
1
2
3
4
The wattmeter method is used to measure power in a three-phase load. The wattmeter readings are 400W and -35W. Find the power factor.
0.43
0.53
0.63
0.73
The total number of possible phase sequences for a three phase system is…
0
1
2
3
In a delta-connected load, the relation between line voltage and the phase voltage is?
line voltage < phase voltage
line voltage >= phase voltage
line voltage > phase voltage
line voltage = phase voltage
