Which of the following capacitors will have the least value of breakdown voltage ?

The breakdown voltage for paper capacitors is usually

A

20 to 60 volts

B

200 to 1600 volts

C

2000 to 3000 volts

D

more than 10000 volts

What will happen to an insulating medium if voltage more than the breakdown voltage is applied on it ?

A

It will become magnetic

B

It will melt

C

It will get punctured or cracked

D

Its molecular structure will get changed

Which of the following capacitors will have the least variation?

A

Paper capacitor

B

Ceramic capacitor

C

Silver plated mica capacitor

D

None of the above

For measurements on high voltage capacitors, the suitable bridge is

A

[

A. Wein bridge

B

Schering bridge

C

Any of the above

D

None of the above

The breakdown voltage of a cable depends on

A

Presence of moisture

B

Working temperature

C

Time of application of the voltage

D

All of the above

As the junction temperature increases, the voltage breakdown point for Zener mechanism ___________

A

Is increased

B

Is decreased

C

Remains the same

D

None of the above

As the junction temperature increases, the voltage breakdown point for avalanche mechanism ___________

A

Remains the same

B

Decrease

C

Increases

D

None of the above

What is true about the breakdown voltage in a Zener diode?

A

It decreases when load current increases

B

It destroys the diode

C

It equals current times the resistance

D

It is approximately constant

If the doping level is increased, the breakdown voltage of the Zener ___________

A

Remains the same

B

Is increased

C

Is decreased

D

None of the above

A zener diode has ___________ breakdown voltage

A

undefined

B

sharp

C

zero

D

none of the above

Which of the following capacitors will have the least value of breakdown voltage ?

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