Computer Programming MCQs

5739 MCQs  (Page 213 of 574)

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A set of Christmas tree lights is connected in parallel across a 110 V source. The filament of each light bulb is 1.8 k. The current through each bulb is approximately___________?
A. 610 ma
B. 18 ma
C. 110 ma
D. 61 ma
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Five light bulbs are connected in parallel across 110 V. Each bulb is rated at 200 W. The current through each bulb is approximately___________?
A. 2.2 a
B. 137 ma
C. 1.8 a
D. 9.09 a
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In a five-branch parallel circuit, there are 12 mA of current in each branch. If one of the branches opens, the current in each of the other four branches is_______________?
A. 48 ma
B. 12 ma
C. 0 a
D. 3 ma
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Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately_______________?
A. 2.3 a
B. 780 ma
C. 47 ma
D. 7.06 a
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A sudden increase in the total current into a parallel circuit may indicate______________?
A. A drop in source voltage
B. An open resistor
C. An increase in source voltage
D. Either a drop in source voltage or an open resistor
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An oscillator converts __________?
A. Power into d.c. power
B. Power into a.c. power
C. Mechanical power into a.c. power
S. None of the above
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Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers_____________?
A. 18 w
B. 1.5 w
C. 48 w
D. 72 w
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An ammeter has an internal resistance of 50 Ω. The meter movement itself can handle up to 1 mA. If 10 mA is applied to the meter, the shunt resistor, RSH1, is approximately___________?
A. 55 ω
B. 5.5 ω
C. 50 ω
D. 9 ω
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When a 1.6 kΩ resistor and a 120Ω resistor are connected in parallel, the total resistance is____________?
A. Greater than 1.6 kω
B. Greater than 120 but less than 1.6 kω
C. Less than 120 but greater than 100 ω
D. Less than 100 ω
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In an LC oscillator, the frequency of oscillator is____________L or C?
A. Proportional to square of
B. Directly proportional to
C. Independent of the values of
D. Inversely proportional to square root of
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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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