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Instruction:

Total number of questions : 20 .

Time alloted : 30 minutes.

Each question carry 1 mark, no negative marks.

1.
A short circuit will have:

2.
BJTs are "junction" transistors because they use current-carrying P-N junctions.

3.
The total resistance of a series circuit is equal to the average of all the resistance values.

4.
The six basic forms of energy are:

A.
light, sun, magnetic, chemical, electrical, and mechanical

B.
electrical, mechanical, light, heat, magnetic, and chemical

C.
electrical, mechanical, sun, heat, chemical, and light

D.
potential, sun, light, chemical, electrical, and mechanical

5.
Power is measured in units of:

6.
The SCR is ideal for ac applications.

7.
Elements with 1, 2, or 3 valence electrons usually make excellent:

8.
What is the major advantage of the R/2R ladder digital-to-analog (DAC), as compared to a binary-weighted digital-to-analog DAC converter?

9.
A three-state output TTL can have three possible outputs: LOW, HIGH, or FLOATING.

10.
In order to sustain oscillations in a feedback oscillator, the gain should be _________ so the product of A_{v} × B equals_______.

11.
What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?

Answer: Option B

Explanation:

(1,750 x 40)/1000 = 70 kilowatt-hour.

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12.

If the resistance is larger than the inductive reactance in the given circuit, the phase angle is _______.

13.

The given circuit is a _______.

14.
When current flow tries to decrease in an inductor, the magnetic field _______________ and the voltage polarity across the inductor _______________.

15.
For a C-C configuration to operate properly, the collector-base junction should be reverse biased, while forward bias should be applied to which junction?

16.
A henry value divided by a circuit resistive value provides the:

17.
When a capacitor is used in place of a resistor in an op-amp network, its placement determines:

18.
End around carry is an operation in 1's complement subtraction where a 1 is added to the sum of the 1's complement of both numbers.

19.
X_{L} = 2 fL

20.
If two parallel-connected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss?

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