BASIC ELECTRICAL PART 11
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Attempt Free BASIC ELECTRICAL PART 11 Here. Read The Important Electrical MCQ From Below.
[1] The wire is stretched to double its length, then its resistance R will become
(a) R/2
(a) R/2
(b) 4R
(c) 2R
(d) R/4
(c) 2R
(d) R/4
Answer
[2] The power drawn by the circuit whose input is 20KVA and p.f is 0.8 lagging
(a) 12
(b) 20
(c) 16
(d) 8
(b) 20
(c) 16
(d) 8
Answer
BASIC ELECTRICAL PART 11
[3] The combined resistance of two equal resistors connected in parallel is equal to
(a) One half the resistance of one resistor
(b) Twice the resistance of one resistor
(c) Four times the resistance of one resistor
(d) One fourth the resistance of one resistor
(b) Twice the resistance of one resistor
(c) Four times the resistance of one resistor
(d) One fourth the resistance of one resistor
Answer
[4] The superposition theorem is applicable to circuits only having ………… elements
(a) Non-linear
(b) Passive
(c) Resistive
(d) Linear bilateral
Answer
[5] The Q-factor of a coil is given by
(a) Its power factor
(b) Ratio of max. energy stored & energy dissipated per cycle.
(c) Reciprocal of its power factor
(d) Ratio R/Z
Answer
BASIC ELECTRICAL PART 11
[6] The power factor at resonance in RLC circuit is
(a) Zero
(b) Unity
(c) 0.5 lagging
(d) 0.5 leading
(b) Unity
(c) 0.5 lagging
(d) 0.5 leading
Answer
[7] Cells are connected in parallel to
(a) Increase the available voltage
(b) Reduce the cost of wiring
(c) Increase the available current
(d) Reduce the time required to fully charge them after use
(b) Reduce the cost of wiring
(c) Increase the available current
(d) Reduce the time required to fully charge them after use
Answer
BASIC ELECTRICAL PART 11
[8] The power factor of a purely resistive circuit is
(a) Zero
(b) Unity
(c) Lagging
(d) Leading
Answer
[9] Which of the following has minimum running cost?
(a) Hydro electric station
(b) Nuclear power station
(c) Thermal power station
(d) Diesel power station
(b) Nuclear power station
(c) Thermal power station
(d) Diesel power station
Answer
[10] The color code of a resistor 2.7Kohm with the tolerance of 10% is
(a) Red, violet, red and silver
(b) Red, violet, yellow and gold
(c) Red, violet, orange, silver
(d) Red, violet, red, gold
(b) Red, violet, yellow and gold
(c) Red, violet, orange, silver
(d) Red, violet, red, gold
Answer
BASIC ELECTRICAL PART 11
