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RAVINDRA COLLEGE OF ENGINEERING FOR WOMEN
Year & Semester:
SET-1
Nandikotkur Road, Kurnool – 518 002, A.P.
I MID EXAMINATIONS
DATE:30.08.2016
II B.Tech – I SEM
Branch: EEE
TIME: 20 MIN
ELECTRICAL CIRCUITS - II
Name of the Subject:
Max.Marks:
10M
Roll No.:
1) If resistors 4Ω, 6 Ω, and 8 Ω are connected in parallel______ resistor has max power
a) 4 Ω resistor (b) 6 Ω resistor (c) 8 Ω resistor (d) equal in all the resistors
2) If readings of two watt meters W1 and W2 then total real power is
a) W1+W2
(b) W1-W2
(c) 1.732(W1-W2) (d) 1.732(W1+W2)
3) If two voltage sources are connected in series, the equivalent voltage source is
a) V1+V2
(b)V1-V2
(c) V1=V2
(d) both a & b
4) The power can be calculated as ________
[ ]
2
a) VI
(b) I R
(c) V2 / R
(d) all of the above
5) Inductor is used to store _________ energy
[
]
a) electro static
(b) electromagnetic (c) both a & b
(d) none of the above
6) LT of Sinwt = _______________
7) In the loop analysis while applying the KVL, current sources are _______
a) considered (b) neglect
(c) both
(d) none
8) The off diagonal elements of bus incidence Matrix
a) 1
b) -1
c) Depends on direction
d) None
9) The resistance of open circuit is __________
a) zero (b) infinite
(c) both a & b
(d) none of above
10) If three resistors are connected in series, the equivalent resistance is ____ of the resistance
a)addition
(b) subtract
(c) both a & b
(d) none
11) LT of Unit step function = ________
12) In a basic AC generator, emf generated is according to the _______
a) ohm’s law
(b) faraday’s law of electromagnetic induction
c) Lenz’s law
(d) Fleming’s right hand rule
13) Advantages of alternating current _________
a) simple construction (b) low cost
(c) both a & b
(d) none
14) The peak factor of alternating quantities defined as ratio of ______ to rms value.
a) average (b)maximum
(c) both a & b
(d) none
15) The form factor of alternating quantities defined as ratio of rms value to _____ value
a) average (b)maximum
(c) both a & b
(d) none
16) The rms value of an AC current or emf of a sinusoidal wave form is defined in terms of the
equivalent ________ effect
a) voltage (b) current
(c) heating
(d) power
17) If delta connection is converted to star connection, R3 is __________
18) If 5V voltage is applied to the pure resistor 5Ω, what is I______ amps
a) 5A
(b) 4A
(c)2A
(d) 1A
19) ILL = ____ Iph in Delta connected three system
20. A DC voltage magnitude V and duration T is applied to a series combination of R and
C. The max voltage developed across the capacitor is
a) V(1-e-T/RC)
b) VT/RC
c) V
d) Ve-T/RC
RAVINDRA COLLEGE OF ENGINEERING FOR WOMEN
Year & Semester:
Name of the Subject:
SET-2
Nandikotkur Road, Kurnool – 518 002, A.P.
I MID EXAMINATIONS
DATE:30.08.2016
II B.Tech – I SEM
Branch: EEE
TIME: 20 MIN
ELECTRICAL CIRCUITS - II
Max.Marks:
10M
Roll No.:
1) In an electric circuit, if the current flows in only one path, The circuit is called a _______
a) parallel
(b) series
(c)series-parallel
(d) compound
2) LT of Sinh wt = _______________
3) Resistance is always measured in ____________
a) ohms
(b) coulombs
(c) amperes
(d)henrys
4) If two voltage sources are connected in parallel, the equivalent voltage source is_______
a) V1+V2
(b) V1-V2
(c) V1=V2
(d) both a & b
5) A Ideal voltage source consists of ____________ resistance
6) Series circuit is also called as ________
7) LT of Cos wt = _______________
8) When the circuit is called redundant, when there is a _________ flow through resistor
a) current
(b) voltage
(c) no current
(d) no voltage
9) Current travelling from positively marked terminal, must be considered as ______
10) If the star connection is converted into delta connection, Rca _____________
11) Frequency as applied to an AC current of emf is the ___________
a) number of cycles per second
(b) number of revolutions per second
c) number of poles per minute
(d) emf generated in volts per second
12) The period of an AC current of 50Hz frequency in second is __________
13) In a circuit having only a resistance, the phase difference between the applied voltage and
current is __________ degrees
a) 0
(b)90
(c) 180
(d) 270
14) In a pure inductive circuit the phase angle is _______
a) 90 leading
(b) zero
(c) 90 lagging
(d) 180
15) The phase is measured with respect to ______ direction
a) positive
(b) negative
(c) reference
(d) none of the above
16) In an series circuit, if the difference between XL and Xc increases, then the total
a) Impedance reduces
(b) impedance increases
c) Resistance increases
(d) impedance remains unchanged
17) If readings of two watt meters W1 and W2 then total reactive power is
a) W1+W2
(b) W1-W2
(c) 1.732(W1-W2) (d) 1.732(W1+W2)
18. A DC voltage magnitude V and duration T is applied to a series combination of R and L.
The max voltage developed across the capacitor is
a) V(1-e-T/RC)
b) VT/RC c) V d) Ve-T/RC
19) Capacitor is used to store _________ energy
a) electrostatic
(b) electromagnetic (c) both a & b
(d) none of the above
20) ILL = ____ Iph in Star connected three system
RAVINDRA COLLEGE OF ENGINEERING FOR WOMEN
Year & Semester:
Name of the Subject:
SET-3
Nandikotkur Road, Kurnool – 518 002, A.P.
I MID EXAMINATIONS
DATE:30.08.2016
II B.Tech – I SEM
Branch: EEE
TIME: 20 MIN
ELECTRICAL CIRCUITS - II
Max.Marks:
10M
Roll No.:
1. A tree has
[ ]
a) a closed path b) no closed paths c) Depends on circuit
d) none
2. A DC voltage magnitude V and duration T is applied to a series combination of R
and C. The max current in the circuit is
a) V(1-e-T/RC)
b) VT/RC c) V d) Ve-T/RC
3) If two voltage sources V1 & V2 with internal resistance R are connected in series, the
equivalent voltage source is
a) V1+V2
(b)V1-V2
(c) V1=V2
(d) both a & b
4) The Apparent power can be calculated in DC circuit’s ________
[ ]
2
2
a) VI
(b) I R
(c) V / R
(d) all of the above
5) Inductor is used to store _________ energy
[
]
a) electro static
(b) electromagnetic (c) both a & b
(d) none of the above
6) If readings of two watt meters W1=50 and W2 = 150 then total real power is ______
7) The diagonal elements of bus incidence Matrix
a) 1
b) -1
c) Depends on direction
d) None
8) ILT {w/(s2 +w2 } = _____________
a) Sinwt
b) Sinhwt
c) Coshwt
d) coswt
9) Solution of 1st order DE, D+2 = 10 is _________
10) An alternating current is periodically changes________ in
a) Magnitude
(b) direction
(c) both a & b
(d) none
11) LT of Unit step function = ________
12) In a basic AC generator, emf generated is according to the _______
a) ohm’s law
(b) faraday’s law of electromagnetic induction
c) Lenz’s law
(d) Fleming’s right hand rule
13) Advantages of alternating current _________
a) simple construction (b) low cost
(c) both a & b
(d) none
14) An AC voltage is applied to capacitor then its stored energy in the form of [
]
a) electro static
(b) electromagnetic (c) both a & b
(d) none of the above
15) Angle between any two phase in two phase system is ______
a) 0
b) 90
c) 120
d) 180
16) VLL = ____ Vph in Star connected three system
17) The resistance of such short circuit is __________
[ ]
a) zero
(b) infinite
(c) both a & b
(d) none of the above
2
2
18) ILT {s/(s -w } = _____________
19) A Ideal voltage source consists of ____________ resistance
20) If readings of two watt meters W1 and W2 then total power factor is _______
RAVINDRA COLLEGE OF ENGINEERING FOR WOMEN
Year & Semester:
SET-4
Nandikotkur Road, Kurnool – 518 002, A.P.
I MID EXAMINATIONS
DATE:30.08.2016
II B.Tech – I SEM
Branch: EEE
TIME: 20 MIN
ELECTRICAL CIRCUITS - II
Name of the Subject:
Max.Marks:
10M
Roll No.:
1. If a network contains B branches, N nodes, then the number of mesh current
equations are _________
2. A practical voltage source consists of ____________ resistance
3. In a cutest matrix number of cut-sets equals to___________
4. Define a planar graph?
5. Number of loops in a tie-set matrix will be equal to_________
6. Oriented graph is the graph along with the directions [TRUE/FALSE]
7. In an incidence matrix the column element value should be always zero
[TRUE/FALSE]
8. In a circuit the current sources are to be open circuited always [TRUE/FALSE]
9. In a tree the number of links equals to B-(N-1) [TRUE/FALSE]
10. The number of branches in a tree equal to n-1 where n represents nodes.
[TRUE/FALSE]
11. A DC voltage magnitude V and duration T is applied to a series combination of
R and L. The max current in the circuit is
a) V/R(1-e-T/RC)
b) VT/RC
c) V/R
d) V/R e-T/RC
12. The off diagonal elements of element node incidence Matrix
a) 1
b) -1
c) Depends on direction
d) None
13) If three resisters delta connection is converted to star connection, R1 is __________
14) LT {Exp} = _____________
15) Angle between any two phase in three phase system is ______
a) 0
b) 90
c) 120
d) 60
16) VLL = ____ Vph in Delta connected three system
17) Capacitor acts like for the a.c. signal in the steady state
a) open b)closed c) not open not close d)none.
18) ILT {w/(s2 -w2 } = _____________
19) If readings of two watt meters W1 and W2 then total reactive power is
a) W1+W2
(b) W1-W2
(c) 1.732(W1-W2) (d) 1.732(W1+W2)
20) The resistance of open circuit is __________
[ ]
a) zero
(b) infinite
(c) both a & b
(d) none of the above