Free Printable 0030400 KIA

1.

Calculate the capacitive reactance (Xc) of the given filter: C= 80 pf, f =l00MHz and R=1.5kΩ

a)

Xc = 50.27 m-ohm

b)

Xc= 19.89 ohm

c)

Xc= 19 u-ohm

d)

Xc= 1.26 M-ohm

2.

At what frequency will the circuit impedance of a parallel LC circuit peaks?

a)

Resonance frequency

b)

Upper frequency

c)

Lower frequency

d)

Mid frequency

3.

Refer to fig.3.4.3; which figure represents a Low-pass filter?

a)

a

b)

b

c)

C

d)

d

4.

Calculate the Impedance of RC series circuit (Z) given: Xe= 10kΩ, f= 10KHz and R=5kΩ

a)

Z = 89.44 uΩ

b)

Z = 11.18 KΩ

c)

Z = 122.47 Ω

d)

Z = 22.262 MΩ

5.

Which of the followings are the basic types of filters?

a)

Low Pass, High Pass, Band pass and Band stop filters.

b)

Mid Pass, High Pass, Band pass and Go stop filters.

c)

Long Pass, High Pass, Band pass and Mid stop filters.

d)

Signal Pass, High Pass, Band pass and Mid stop filters.

6.

Which of the following describes a filter that passes a middle band of frequencies?

a)

Low pass filter.

b)

High pass filter.

c)

Band stop filter.

d)

Band pass filter.

7.

Refer fig 3.4.4, which figure represents an RC low-pass filter?

a)

a

b)

b

c)

c

d)

d

8.

Refer to fig.3.4.1; which figure represents a low-pass filter?

a)

a

b)

b

c)

c

d)

d

9.

Which type of filter has two cut-off frequencies?

a)

Low pass filter and Band pass filter

b)

High pass filter and Band stop filter.

c)

Band pass filter and Band stop filter.

d)

Low pass filter and High pass filter.

10.

What is the formula for calculating the resonance frequency for a parallel LC circuit?

a)

$f=\frac{1}{2\pi LC}$

b)

$\frac{1}{2\pi\ \sqrt[]{LC}}$

c)

$f=2\pi fC$

d)

$f=\frac{1}{2\pi fC}$

11.

Which type of filter used in communications systems of all types that passes only middle band of frequencies?

a)

Low pass filter.

b)

High pass filter.

c)

Band stop filter.

d)

Band pass filter.

12.

Calculate the Impedance of RC series circuit (Z) given: Xe= 20Q and R=lSOQ

a)

Z = 6.61 mΩ

b)

z = 151.33 Ω

c)

Z = 13 Ω

d)

Z = 17 KΩ

13.

At what frequency will $X_c=X_L$ ?

a)

Resonance frequency

b)

Upper frequency

c)

Lower frequency

d)

Mid frequency

14.

Which of the following is correct at Resonance frequency (f)?

a)

$\frac{1}{2\pi fC}=2\pi FL$

b)

$\frac{1}{2\pi\ \sqrt[]{LC}}=2\pi fL$

c)

$2\pi fC=\frac{1}{2\pi fL}$

d)

$\frac{1}{2\pi fC}=2\pi\ \sqrt[]{LC}$

15.

Refer to fig.4.1.1; Refer to fig 4.1.1, which figure represents a Band-stop filter?

a)

a

b)

b

c)

C

d)

d

16.

Calculate the Impedance of RC series circuit (Z) given: Xe= 33MQ and R=2.2MQ

a)

Z = 30.24 nΩ

b)

Z = 33.07 MΩ

c)

Z = 5.93 KΩ

d)

Z = 33.07 Ω

17.

Refer to fig.4.1.1, which figure represents a Band-pass filter?

a)

a

b)

b

c)

C

d)

d

18.

Refer to fig.3.4.3; which figure represents a Band-pass filter?

a)

a

b)

b

c)

c

d)

d

19.

Refer to fig.3.4.3; which figure represents a High-pass filter?

a)

a

b)

b

c)

C

d)

d

20.

Refer to fig.4.1.1;
which figure represents a High-pass filter?

a)

a

b)

b

c)

C

d)

d

21.

Calculate the resonance frequency for a parallel LC circuit given: L= 3.3mH and C=470nf

a)

f -4.04 KHz

b)

f = 247.44 MHz

c)

f = 247.11 uHz

d)

f = 200 Hz

22.

Refer to fig.3.4.2
which figure represents a High-pass filter?

a)

a

b)

b

c)

C

d)

d

23.

Which of the following describes a filter that passes all signals at frequencies above the cut-off frequency and restricts all those below?

a)

High pass filter.

b)

Band pass filter.

c)

Band stop filter.

d)

Low pass filter.

24.

Refer to fig.3.4.3

which figure represents a Band-stop filter?

a)

a

b)

b

c)

C

d)

d

25.

What is the formula for calculating the capacitive reactance (Xc) for an RC filter?

a)

$X_c=\frac{1}{2\pi fR}$

b)

$X_c=\frac{1}{2\pi\ \sqrt[]{LC}}$

c)

$X_c=2\pi fC$

d)

$X_c=\frac{1}{2\pi fC}$

26.

Refer to fig.3.4.2

which figure represents a Band-pass filter?

a)

a

b)

b

c)

C

d)

d

27.

Calculate the resonance frequency for a parallel LC circuit given: L= 2mH and C=22uf

a)

f = 758.74 Hz

b)

f = 3.62 MHz

c)

f = 23.99 mHZ

d)

f = 200 Hz

28.

Which type of filter sometimes called 'band restrict' or 'band elimination' filter?

a)

Low pass filter.

b)

High pass filter.

c)

Band stop filter.

d)

Band pass filter.

29.

Refer fig 3.4.4

which figure represents an RC High-pass filter?

a)

a

b)

b

c)

c

d)

d

30.

Which of the following describes a filter that passes frequencies below the cut-off frequency and blocks all those above it?

a)

High pass filter.

b)

Band pass filter.

c)

Band stop filter.

d)

Low pass filter.

0030400 KIA

Total questions: 30

Worksheet time: 15mins

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