tEEEch fun(BEEE QUIZ)

tEEEch fun(BEEE QUIZ)

University

20 Qs

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tEEEch fun(BEEE QUIZ)

tEEEch fun(BEEE QUIZ)

Assessment

Quiz

Physics

University

Hard

Created by

K. Manikandan

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnets Used in PMDC motor has which of the following ratings in the range of

1W-150W

1KW-250KW

1KW-150KW

1W-250W

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A 1-Ph 111V,50Hz Supply connected to a coil with 100 turns of a coil core . Find the Magnitude of Maximum flux in core.

20mWb

2.5mWb

5mWb

15mWb

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the Following is False

1.The Holes and Electrons move towards from the junction

2.Dynamic Resistance of a Diode is defined as the ratio of change in voltage to the change in current.

3.P-N Junction Diodes are used as voltage Controller

4.Static Resistance is the ratio of DC Current through Diode and DC Voltage across the Diode

1&4

2&3

1&3

2&4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If biasing is not done in an amplifier Circuit it results in

Decrease in base current

unfaithful amplification

Excessive Collector Bias

All of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Due to which of the following Thermal Run Away Occurs

1.Junction Capacitance is High

2.Emitter is forward biased

3.Collector is reverse biased

4.Transistor is not biased

4

2&3

1

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following happens when Transistor is not biased Properly?

1)Work efficiency of transistor reduces

2) Distortion in output signal takes place

3) Operating point may shift

4)Transistor parameters will change

1,2,3

2,3,4

1,2,4

1,2,3,4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which properties must be have for fuse elements

i)low melting point

ii)low resistivity

iii)high ohmic losses

i,ii,iii are correct

i,iii are correct

i,ii are correct

ii,iii are correct

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