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Q1. | Colour code of carbon resistors has only two bands. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ The feedback control system shown in the given figure repres

Type 0 system

Type 1 system

Type 2 system

Type 3 system

⇒ D FF can be used as a

differentiator

divider circuit

delay switch

none

⇒ What are the contents of the accumulator after the RIC has been executed?

40 H

41 H

42 H

43 D

⇒ An index register in digital computer is a register to be used for

performing arithmetic and logic operations

temporary storage of result

counting number of times a program is executed

address modification purpose

⇒

Match the following:

List I (Circuit) | List II (Characteristics) | ||
---|---|---|---|

A. | Darlington pair | 1. | uses pnp and npn transistors used as power amplifier |

B. | CB amplifier | 2. | Voltage gain nearly 1 and high input impedance |

C. | Cascade amplifier | 3. | low input impedance used for high frequency isolation |

A-1, B-2, C-3

A-2, B-3, C-1

A-2, B-1, C-3

A-3, B-1, C-2

⇒ Higher order active filters are used for variable

bandwidth

gain in the pass band

impedance

roll off rate

⇒ For the logic circuit given, what is the simplified Boolean funct

X = AB + C

X = BC + A

X = AB + AC

X = AC + B

⇒ The poles with greater displacement from the real axis correspond to

higher frequencies of oscillation

stable response

lower frequencies of oscillation

unbounded output

⇒ A Darlington pair is used for

low distortion

high frequency range

high power gain

high current gain

⇒ Two wires A and B have the same cross-section area and are made of the same material. R

_{A}= 600 Ω and R

_{B}= 100 Ω. The number of times A is longer than B is

6

2

4

5

⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm

^{2}/sec. The diffusion length is

0.1 cm

0.01 cm

0.0141 cm

1 cm

⇒ The phase angle of lead circuit is

between 0 and -90°

between 0 and +90°

90°

more than 90°

⇒ An LVDT is used to measure displacement. The LVDT feeds a Voltmeter of 0-5 V range through a 250 gain amplifier. For a displacement 0.5 mm the output of LVDT is 2 mV. The sensitivity of instrument is

0.1 V/mm

0.5 V/mm

1 V/mm

5 V/mm

⇒ In 8085 microprocessor, which of the following interrupts is unmaskable interrupts?

RST 5.5

RST 7.5

TRAP

INTR

⇒ Consider the following

only statement 1 is correct

only statement 2 is correct

both statements are correct

both the statements 1 and 2 are not correct

⇒

**Assertion (A):** Relative permittivity is determined by the atomic structure of the material.

**Reason (R):** Absolute permittivity is determined by the atomic structure of the material.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not correct explanation of A

A is true but R is false

A is false but R is true

⇒ Which inductor is linear?

Air cored

Cast iron cored

Sheet steel cored

Iron alloy cored

⇒ Consider the following statements

- An iron cored choke is a nonlinear device.
- A carbon resistor kept in a sunlight is a time - invariant and passive device.
- A dry cell is a time - varying and active device.
- An air capacitor is a time - invariant and passive device

1, 2, 3 and 4 are correct

1, 2 and 3 are correct

1, 2 and 4 are correct

2 and 4 are correct

⇒ In 8085, F register has 8 bits.

TRUE

FALSE

⇒ The series element for a prototype high pass filter is

resistive

inductive

capacitive

combination of L and C

⇒ When an ac circuit has sources of different frequencies, the only method of analysis is superposition theorem.

TRUE

FALSE

⇒ The slew rate of an ideal op-amp is

very slow

slow

fast

infinitely fast

⇒ The circuit shown in the figure

positive logic OR circuit

negative logic OR circuit

positive logic AND circuit

negative logic AND circuit

⇒ An antenna is considered to be in free space where its height above the ground is

λ

2λ

less than 3λ

more than 5λ

⇒ Consider the following statements : A clamper circuit

- adds or subtracts a dc voltage to a waveform
- does not change the waveform
- amplifiers the waveform

1, 2

1, 3

1, 2, 3

2, 3

⇒ The electric flux and field intensity inside a conducting sphere is

minimum

maximum

uniform

zero

⇒ The Nyquist plot of a stable, transfer function

*G*(

*s*) is shown in the figure. We are interested in the stability of the closed loop system in the feedback configuration sh

6 dB and 180°

3 dB and 180°

6 dB and 90°

3 dB and 90°

⇒ Consider an incremental vector element of length ΔL and angle between an electric field E and ΔL s cos &the

In the direction of E

In opposite direction of E

In the angle of 45° with E

In the angle of 60° with E

⇒ A system is stable if ROC

include the unit circle

exclude the unit circle

lies on Circle

entire plane

⇒ The colour on the extreme left in general purpose fixed resistors represents

first significant digit

tolerance

wattage rating

voltage rating