Applications of Semiconductors Diode
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PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365156 Statement A :
When two semi conductors of \(p\) and \(n\) type are brought in contact, they form a diode which can be used as a rectifier.
Statement B :
A rectifier is used to convert alternating current into direct current.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365157 If the input frequency of half-wave rectifier is \(n Hz\) \(ac\), then its output is

1 A constant \(dc\)
2 \(n\)/2 \(Hz\) pulsating \(dc\)
3 \(n Hz\) pulsating \(dc\)
4 2\(n\) \(Hz\) pulsating \(dc\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365158 In a half wave rectifier circuit operating from \(50\;Hz\) mains frequency, the fundamental frequency in the ripple would be:

1 \(25\;Hz\)
2 \(50\;Hz\)
3 \(70.7\;Hz\)
4 \(100\;Hz\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365156 Statement A :
When two semi conductors of \(p\) and \(n\) type are brought in contact, they form a diode which can be used as a rectifier.
Statement B :
A rectifier is used to convert alternating current into direct current.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365157 If the input frequency of half-wave rectifier is \(n Hz\) \(ac\), then its output is

1 A constant \(dc\)
2 \(n\)/2 \(Hz\) pulsating \(dc\)
3 \(n Hz\) pulsating \(dc\)
4 2\(n\) \(Hz\) pulsating \(dc\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365158 In a half wave rectifier circuit operating from \(50\;Hz\) mains frequency, the fundamental frequency in the ripple would be:

1 \(25\;Hz\)
2 \(50\;Hz\)
3 \(70.7\;Hz\)
4 \(100\;Hz\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365156 Statement A :
When two semi conductors of \(p\) and \(n\) type are brought in contact, they form a diode which can be used as a rectifier.
Statement B :
A rectifier is used to convert alternating current into direct current.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both Statements are correct.
4 Both Statements are incorrect.
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365157 If the input frequency of half-wave rectifier is \(n Hz\) \(ac\), then its output is

1 A constant \(dc\)
2 \(n\)/2 \(Hz\) pulsating \(dc\)
3 \(n Hz\) pulsating \(dc\)
4 2\(n\) \(Hz\) pulsating \(dc\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365158 In a half wave rectifier circuit operating from \(50\;Hz\) mains frequency, the fundamental frequency in the ripple would be:

1 \(25\;Hz\)
2 \(50\;Hz\)
3 \(70.7\;Hz\)
4 \(100\;Hz\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here