Basic Electrical Engineering (3110005) MCQs

MCQs of DC Circuits

Showing 71 to 80 out of 137 Questions
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71.
Mesh analysis is generally used to determine _________
(a) Voltage
(b) Current
(c) Resistance
(d) Power
Answer:

Option (b)

72.
Mesh analysis can be used for __________
(a) Planar circuits
(b) Non-planar circuits
(c) Both planar and non-planar circuits
(d) Neither planar nor non-planar circuits
Answer:

Option (a)

73.
If there are 10 nodes in a circuit, how many equations do we get?
(a) 10
(b) 9
(c) 8
(d) 7
Answer:

Option (b)

74.
Nodal analysis can be applied for________
(a) Planar networks
(b) Non-planar networks
(c) Both planar and non-planar networks
(d) Neither planar nor non-planar networks
Answer:

Option (c)

75.
For high frequencies, capacitor acts as _________
(a) Open circuit
(b) Short circuit
(c) Amplifier
(d) Rectifier
Answer:

Option (b)

76.
A capacitor consists of_________
(a) Two conductors
(b) Two semiconductors
(c) Two dielectrics
(d) Two insulators
Answer:

Option (a)

77.
Capacitance increases with ________
(a) Increase in plate area
(b) Decrease in plate area
(c) Increase in distance between the plates
(d) Increase in density of the material
Answer:

Option (a)

78.
Which among the following expressions relate charge, voltage and capacitance of a capacitor?
(a) Q = C/V
(b) Q = V/C
(c) Q = CV
(d) C = Q2V
Answer:

Option (c)

79.
When will capacitor fully charged?
(a) When the voltage across its plates is half the voltage from ground to one of its plates
(b) When the current through the capacitor is a 1/root2 time its value
(c) When the supply voltage is equal to the capacitor voltage
(d) Never
Answer:

Option (c)

80.
What happens to the capacitance when the voltage across the capacitor increases?
(a) Decreases
(b) Increases
(c) Becomes 0
(d) No effect
Answer:

Option (d)

Showing 71 to 80 out of 137 Questions
5 6 7 8 9 10