Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.

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Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.

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

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

A is true but R is false

A is false but R is true

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

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

A is true but R is false

A is false but R is true

Power diodes are generally

None of these

Either of the above

Silicon diodes

Germanium diodes

None of these

Either of the above

Silicon diodes

Germanium diodes

Electronic Devices and Circuits

In a half wave rectifier, the load current flows

For less than fourth cycle

Only for the negative half cycle of the input signal

Only for the positive half cycle of the input signal

For full cycle

For less than fourth cycle

Only for the negative half cycle of the input signal

Only for the positive half cycle of the input signal

For full cycle

Electronic Devices and Circuits

Which of the following has highest resistivity?

Mineral oil

Air

Mica

Paraffin wax

Mineral oil

Air

Mica

Paraffin wax

Electronic Devices and Circuits

At room temperature the current in an intrinsic semiconductor is due to

Holes

Ions

Holes and electrons

Electrons

Holes

Ions

Holes and electrons

Electrons

Electronic Devices and Circuits

Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.

A is true but R is false

A is false but R is true

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

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

A is true but R is false

A is false but R is true

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

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

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Assertion (A): In p-n-p transistor collector current is termed negative.Reason (R): In p-n-p transistor holes are majority carriers.

Power diodes are generally

In a half wave rectifier, the load current flows

Which of the following has highest resistivity?

At room temperature the current in an intrinsic semiconductor is due to

Assertion (A): A p-n junction has high resistance in reverse direction.Reason (R): When a reverse bias is applied to p-n junction, the width of depletion layer increases.

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Android

Apple

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