Q. Which one of the following is the CORRECT statement for superposition theorem ?
-
(A)
The algebraic sum of all the voltages around any closed path is zero.
-
(B)
The overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately.
-
(C)
The sum of currents entering a node is equal to the sum of currents leaving the node.
-
(D)
The algebraic sum of all the voltages around any closed path is equal to one.
✅ Correct Answer: (B)
The overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately.
Explanation: Superposition theorem State that the overall current in any part of a linear circuit is equal to the algebraic sum of the currents produced by each source separately.
Q. Which one of the expression satisfies the condition of maximum power transfer theorem ?
-
(A)
ZL=ZS
-
(B)
ZL=RL
-
(C)
ZL=2ZS
-
(D)
XL=RL
✅ Correct Answer: (A)
ZL=ZS
Q. Determine the value of current (in A) that flows through a resistor of 9 ohms, when the potential difference between the ends of the resistor is 36 V ?
✅ Correct Answer: (C)
4
Explanation: I=V/R, 36/9= 4 Amp
Q. What will be the value of load impedance (in ohms) for transmitting maximum power from the source to load when the source impedance is 8 + j4 ohms ?
-
(A)
8 - j4
-
(B)
8 + j4
-
(C)
4 + j8
-
(D)
4 - j8
✅ Correct Answer: (A)
8 - j4
Q. Determine the load resistance (in ohms) for a circuit when the maximum power transferred from source of 80 V to the load is 80 W ?
-
(A)
40
-
(B)
20
-
(C)
10
-
(D)
5
✅ Correct Answer: (B)
20
Explanation: The load resistance 20 (in ohms) for a circuit when the maximum power transferred from source of 80 V to the load is 80 W.
Q. Which property of a material opposes the passage of magnetic flux through it ?
-
(A)
Permeance
-
(B)
Capacitance
-
(C)
Inductance
-
(D)
Reluctance
✅ Correct Answer: (D)
Reluctance
Explanation: Reluctance property of a material opposes the passage of magnetic flux through it.
Q. Determine the intensity of magnetization (in A/m) of a magnet when the pole strength of the magnet is 30 A-m and the pole of the magnet is 2 sq. m. ?
-
(A)
60
-
(B)
30
-
(C)
25
-
(D)
15
Q. What will be the produced mml (in Amp-turns) in a coil, if the coil has 160 turns and carries a current of 0.15 A ?
-
(A)
32
-
(B)
24
-
(C)
16
-
(D)
8
Q. Determine the reluctance (in Amp-turns/Wb) of a coil, when the flux through the coil is 25 Wb and the value of produced mml is 50 Amp-turns ?
Q. Determine the magnetic field intensity (in Amp-turns/m) of 5 metre long coil when the coil has 100 turns and carries a current of 0.6 A ?
-
(A)
15
-
(B)
20
-
(C)
10
-
(D)
8
You are learning MCQ Questions of NAVY Department : 85 | Page : 1
TAGs: NAVY mcqs, important NAVY mcqs, important NAVY questions,
NAVY questions, mcq for NAVY, important mcq for NAVY, mcqs for NAVY, mcq questions for NAVY, mcq question for NAVY, prepare online for NAVY