Computer Programming MCQs

5739 MCQs  (Page 215 of 574)

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The following resistors are in parallel across a voltage source: 220Ω , 470Ω , and 560Ω . The resistor with the least current is______________?
A. 220 ω
B. 470 ω
C. 560 ω
D. Impossible to determine without knowing the voltage
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Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance_____________?
A. Is less than 6 kω
B. Is greater than 1.2 kω
C. Is less than 1.2 kω
D. Is less than 600 ω
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In Colpitt’s oscillator, feedback is obtained___________?
A. by magnetic induction
B. By a tickler coil
C. From the centre of split capacitors
D. None of the above
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Six resistors are in parallel. The two lowest-value resistors are both 1.2 kΩ. The total resistance______________?
A. Is less than 6 kω
B. Is greater than 1.2 kω
C. Is less than 1.2 kω
D. Is less than 600 ω
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Four resistors are connected in parallel. Fifteen mA flows through resistor R. If the second resistor is 2R, the third resistor 3R, and the fourth resistor 4R, the total current in the circuit is______________?
A. 60 ma
B. 15 ma
C. 135 ma
D. 31.25 ma
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In an LC oscillator, if the value of L is increased four times, the frequency of oscillations is __________?
A. Increased 2 times
B. Decreased 4 times
C. Increased 4 times
D. Decreased 2 times
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The following currents are measured in the same direction in a three-branch parallel circuit: 200 mA, 340 mA, and 700 mA. The value of the current into the junction of these branches is____________?
A. 200 ma
B. 540 ma
C. 1.24 a
D. 900 ma
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If one of the resistors in a parallel circuit is removed, the total resistance_____________?
A. Decreases
B. Increases
C. Remains the same
D. Doubles
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The signal generator generally used in the laboratories is___________oscillator?
A. Wien-bridge
B. Hartely
C. Crystal
D. Phase shift
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There is a total of 800 mA of current into four parallel resistors. The currents through three of the resistors are 40 mA, 70 mA, and 200 mA. The current through the fourth resistor is______________?
A. 490 ma
B. 800 ma
C. 310 ma
D. 0 a
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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