
This is the Multiple Choice Questions Part 12 of the Series in DC Circuits as one of the Electrical Engineering topic. In Preparation for the REE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electrical Engineering field, Electrical Engineering Books, Journals and other Electrical Engineering References.
Continue Practice Exam Test Questions Part 12 of the Series
NETWORK THEOREMS
Choose the letter of the best answer in each questions.
⇐ MCQ in DC Circuits Part 11 | REE Board Exam
551. Find the total resistance Rin is in the circuit shown.

A. 1 + √3
B. (1 – √5)/3
C. (-1 + √5)/2
D. none of these
Answer: Option A
Solution:
552. What is the value of i1?

A. 0
B. –6
C. 6
D. none of these
Answer: Option B
Solution:
553. Find Ix in the circuit shown.

A. 3A
B. –3 A
C. 0
D. none of these
Answer: Option A
Solution:
554. Find value of R in the given circuit.

A. 8.2 Ω
B. 6 Ω
C. 10 Ω
D. none of these
Answer: Option A
Solution:
555. The voltage V in the figure always equal to

A. 9 V
B. 5 V
C. 1 V
D. none of these
Answer: Option D
Solution:
556. Find V in the circuit shown.

A. 2 V
B. 3 V
C. 1 V
D. none of these
Answer: Option A
Solution:
557. Find V in the circuit shown.

A. – 3 V
B. +3 V
C. 2 V
D. none of these
Answer: Option A
Solution:
558. Find V in the circuit shown.

A. + 3 V
B. – 3 V
C. 2 V
D. none of these
Answer: Option B
Solution:
559. Determine VX of this circuit

A. 42.2 V
B. 83.3 V
C. 97.3 V
D. 103 V
Answer: Option B
Solution:
560. Find voltage eo in the fig shown.

A. 2 V
B. 4/3 V
C. 4 V
D. 8 V
Answer: Option C
Solution:
561. Find VX in the circuit shown

A. 2.5 V
B. -2.5 V
C. 0 V
D. 10 V
Answer: Option C
Solution:
562. Find voltage eo in the fig shown

A. 48 V
B. 24 V
C. 36 V
D. 28 V
Answer: Option D
Solution:
563. The voltage v(t) is

A. eat – e-bt
B. eat + ebt
C. aeat – bebt
D. aeat + bebt
Answer: Option D
Solution:
564. Find current through 5 Ω resistor

A. 0
B. 2 A
C. 3 A
D. 7 A
Answer: Option B
Solution:
565. Find Vxy

A. 10 V
B. 46 V
C. 13 V
D. 58 V
Answer: Option B
Solution:
566. What is VAB?

A. 3V
B. 54V
C. 24 V
D. none of these
Answer: Option C
Solution:
567. What is Vxy?

A. 20 V
B. 30 V
C. –10 V
D. 10 V
Answer: Option C
Solution:
568. In the circuit of the given figure. The value of the voltage source E is

A. –16 V
B. 4 V
C. –6 V
D. 16 V
Answer: Option A
Solution:
569. Find i2 in the figure shown.

A. 4 A
B. 2/3 A
C. -2/3 A
D. none of these
Answer: Option B
Solution:
570. When a resistor R is connected to a current source, it consumes a power of 18 W. When the same R is connected to a voltage source having same magnitude as the current source, the power absorbed by R is 4.5 W. The magnitude of the current source & value of R are
A. √18 A & 1 ohm
B. 3 A & 2 ohms
C. 1 A & 18 ohms
D. 6 A & 0.5 ohms
Answer: Option B
Solution:
571. In the circuit shown in the figure. If I = 2, then the value of the battery voltage V will be

A. 5 V
B. 3 V
C. 2 V
D. 1 V
Answer: Option C
Solution:
572. Find E and I in the figure shown.

A. I = 13 A and E = 31 V
B. I = 31 A and E = 13V
C. E = 31 V and I = 31A
D. none of these
Answer: Option A
Solution:
573. Find the voltage across the terminals a and b.

A. 0.5 V
B. 3.0 V
C. 3.5 V
D. 4.0 V
Answer: Option C
Solution:
574. What is the current supplied by 1 V source when each resistance is 1 ohm?

A. 8/15 A
B. 15/4 A
C. 4/15 A
D. none of these
Answer: Option A
Solution:
575. The voltage V is equal to

A. 3 V
B. –3 V
C. 5 V
D. none of these
Answer: Option A
Solution:
576. The voltage across 15 ohms resistor is

A. -105 V
B. +105 V
C. –15 V
D. + 15 V
Answer: Option A
Solution:
577. In the circuit of the given figure. The current I will be

A. 1 A
B. 2 A
C. 4 A
D. 8 A
Answer: Option B
Solution:
578. In the circuit shown in the given figure, the potential difference V2 – V1 is

A. –4.5 V
B. 0
C. 4.5 V
D. 6 V
Answer: Option C
Solution:
579. Find V in the figure shown.

A. 56.25 V
B. 85 V
C. 40 V
D. none of these
Answer: Option A
Solution:
580. What is VA?

A. -2 V
B. 2 V
C. -4 V
D. 4 V
Answer: Option A
Solution:
581. What is the value of I4 in the fig shown?

A. –4 A
B. –2 A
C. known only if V1, V2 and R are known
D. known only if V1, V2 are known
Answer: Option A
Solution:
582. If the voltage of each source in the given network is doubled, then which of the following statement would be true?

1. Current flowing in the network will be doubled
2. Voltages across each resistor will be doubled
3. Power absorbed by each resistor will be doubled
4. Power delivered by each source will be doubled
A. 1, 2, 3, 4
B. 1, 2
C. 2, 3
D. 1, 3, 4
Answer: Option B
Solution:
583. For a given network, the number of independent mesh equation (Nm) and the number of independent node equation (Nn) obey the following:
A. Nm = Nn
B. Nm > Nn
C. Nm < Nn
D. any one of the above, depending on the network
Answer: Option D
Solution:
584. In the circuit of the given figure. What is the current I?

A. 1 A
B. 4/3 A
C. 2 A
D. 3 A
Answer: Option A
Solution:
585. Find the value of R for which the power supplied by the voltage source is zero.

A. 0
B. 1.5 ohms
C. 6 ohms
D. 0.667 ohms
Answer: Option B
Solution:
586. What value of R which ensures that the current through the 60 ohm resistor of this circuit is 1 A?

A. 5 ohms
B. 10 ohms
C. 15 ohms
D. 20 ohms
Answer: Option B
Solution:
587. The current I in the circuit of the figure is

A. 2 A
B. 1.5 A
C. 0.5 A
D. 0 A
Answer: Option B
Solution:
588. In the circuit shown in the given figure, current I is

A. –2/5
B. 24/5
C. 18/5
D. 2/5
Answer: Option A
Solution:
589. A 35 V source is connected to a series circuit of 600Ω and R as shown. If a voltmeter of internal resistance1.2 kΩ is connected across 600 Ω resistor it reads 5 V, find the value of R.

A. 1.2 kΩ
B. 2.4 kΩ
C. 3.6 kΩ
D. 7.2 kΩ
Answer: Option B
Solution:
590. Find the current in RL in the circuit below.

A. 0
B. 2/3
C. 1/3
D. none
Answer: Option C
Solution:
591. The current flowing through the voltage source in the given circuit is

A. 1.0 A
B. 0.75 A
C. 0.5 A
D. 0.25 A
Answer: Option A
Solution:
592. In the circuit shown, the voltage across 2 Ω resistor is 20 V. The 5 Ω resistor connected between the terminals A and B can be replaced by an ideal

A. Voltage source of 25 V with +ve terminal upward
B. Voltage source of 25 V with +ve terminal downward
C. Current source of 2 A upward
D. Current source of 2 A downward
Answer: Option A
Solution:
593. In the circuit shown in the figure. The effective resistance faced by the voltage source is

A. 1 Ω
B. 2 Ω
C. 3 Ω
D. 3.3 Ω
Answer: Option C
Solution:
594. If a resistance ‘R’ of 1Ω is connected across the terminals AB as shown in the given fig. Then the current flowing through R will be

A. 1 A
B. 0.5 A
C. 0.25 A
D. 0.125 A
Answer: Option C
Solution:
595. Find VL across the ¼ ohm resistor of this circuit.

A. 1/52 V
B. 2/52 V
C. 3/52 V
D. 5/52 V
Answer: Option C
Solution:
596. Find Ix in the fig shown

A. 1 A
B. –2 A
C. 2 A
D. none of these
Answer: Option B
Solution:
597. A particular resistor R dissipates a power of 4 W when V alone is active. The same resistor R dissipates a power of 9 watts when I alone is active. The power dissipated by R when both sources are active will be

A. 1 W
B. 5 W
C. 13 W
D. 25 W
Answer: Option D
Solution:
598. The linear network contains only resistors if is1 = 8 A, is2 = 12 A, Vx is found to be 80 v. If is1 = -8 A, is2 = 4 A, Vx = 0 . Find Vx when is1 = is2 = 20 A.

A. –150
B. 150
C. 100
D. 50
Answer: Option B
Solution:
599. When R = 10 ohms, VR = 20 V, when R = 20 ohms VR = 30 V. Find VR when R = 80 ohms.

A. 40
B. 160
C. 48
D. none
Answer: Option C
Solution:
600. Find V1 & V2.

A. 4 V, 8 V
B. 8 V, 4 V
C. 6 V, 6 V
D. 12 V, 12 V
Answer: Option A
Solution:
Questions and Answers in DC Circuits
Following is the list of practice exam test questions in this brand new series:
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