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Worksheets

PALAECEPAN

Total questions: 24

Worksheet time: 43mins

Name
Class
Date
1.

Find the exact interest on P 2,000 invested for a period form Jan 30, 2001 to September 15, 2001, if interest rate is 10%?

a)

P 127.40

b)

P 125.30

c)

P 126.34

d)

P 124.59

2.

In how many years is required for P2,000 to increase by P 3,000 if interest at 12% compounded semiannually?

a)

7.86 years

b)

7.65 years

c)

7.23 years

d)

8.12 years

3.

Article III of R. A. No. 9292 is about ______.

a)

Examination, Registration and Licensure

b)

Professional Regulatory Board of Electronics Engineering

c)

Practice of PECE, ECE and ECT

d)

General Provisions

4.

Find the present value in pesos, of a perpetuity of P15,000 payable semiannually if money is worth 8% compounded quarterly.

a)

P 371,719.52

b)

P 371,287.13

c)

P 371,670.34

d)

P 371,802,63

5.

In a voltage-divider biased npn transistor, if the upper voltage-divider resistor (the one connected to VCC opens,

a)

the transistor burns out

b)

the transistor goes into saturation

c)

the transistor goes into cutoff

d)

the supply voltage is too high

6.

a PNP circuit, the collector

a)

has an arrow pointing inward.

b)

is positive with respect to the emitter.

c)

is biased at a small fraction of the base bias.

d)

is negative with respect to the emitter

7.

In a common-emitter amplifier with voltage-divider bias, Rin(base) = 68 kΩ, R1 = 33 kΩ, and R2 = 15 kΩ. The total input resistance is

a)

22.2 kohms

b)

68 kohms

c)

8.95kohms

d)

12.3kohms

8.

In an emitter bias circuit, RE = 2.7 k Ω and VEE = 15 V. The emitter current

a)

180 mA

b)

2.7 mA

c)

5.3 mA

d)

cannot be determined

9.

The input resistance at the base of a biased transistor depends mainly on

a)

βDC

b)

βDC and RE

c)

RB

d)

RE

10.

Find IB

a)

24.04 uA

b)

22.67 uA

c)

24.04 uA

d)

22.67 uA

11.

The bias condition for a transistor to be used as linear amplifier is called

a)

reverse-reverse

b)

forward-reverse

c)

collector bias

d)

forward-forward

12.

What controls the flow of current in JFET?

a)

the voltage in the drain

b)

the voltage in the gate

c)

the voltage in the source

d)

all of these

13.

Find Vd in the circuit given Idss = 12 mA and Vp = -6V

a)

-2.61 V

b)

7.63 V

c)

6.24 V

d)

2.61 V

14.

Which of the following characteristics does not necessarily apply to an op-amp?

a)

high gain

b)

low power

c)

high input impedance

d)

low output impedance

15.

A certain inverting amplifier has an Ri of 0.1 kΩ and an Rf of 100 kΩ. The closed loop gain is

a)

100 000

b)

1000

c)

101

d)

10

16.

With zero volts on both inputs, an op-amp ideally should have an output equal to

a)

the positive supply voltage

b)

the negative supply voltage

c)

zero

d)

the CMRR

17.

Find Vo

a)

5V

b)

6V

c)

7V

d)

8V

18.

What is the output waveform?

a)

square wave

b)

sine wave

c)

+15V

d)

-15V

19.

With a differential gain of 50,000 and a common-mode gain of 2, what is the common-mode rejection ratio?

a)

87.9 dB

b)

43.9 dB

c)

-43.9 dB

d)

-87.9 dB

20.

What value of input resistance is needed in the given circuit to produce the given output voltage?

a)

5000 ohms

b)

4000 ohms

c)

4080 ohms

d)

50 ohms

21.

R. A. No. 9292 which is otherwise known as “Electronics Engineering Law of 2004 is composed of how many articles?

a)

8

b)

9

c)

10

d)

11

22.

What is the maximum fine imposed to any person found to have violated the R. A. No. 9292?

a)

P100 000

b)

P500 000

c)

P50 000

d)

P1 000 000

23.

Section 1 of R. A. No. 9292 refers to the Short Title of the act. What is the short title of the Act?

a)

Electronics Engineering Act

b)

Electronics Engineering Law of 2004

c)

Electronics Engineering Law of the Philippines

d)

Electronics Engineering Act of the Philippines

24.

R. A. No. 9292 states that there shall be ____ integrated and accredited professional organization(s) (APO) of PECE, ECE and ECT.

a)

one

b)

at least one

c)

not more than 5

d)

two