📌Quiz🚨
What is the main advantage of a Bridge Rectifier over a standard Center-Tapped Full-Wave Rectifier?
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What is the main advantage of a Bridge Rectifier over a standard Center-Tapped Full-Wave Rectifier?
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Anonymous Quiz
14%
It requires four times more filter capacitance
55%
It eliminates the need for a center-tapped transformer and has a lower PIV rating per diode
18%
It conducts only during the positive half of the cycle
14%
It converts DC to AC automatically
B.Sc. Physics Exam pinned «📌Quiz🚨
What is the main advantage of a Bridge Rectifier over a standard Center-Tapped Full-Wave Rectifier?
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What is the main advantage of a Bridge Rectifier over a standard Center-Tapped Full-Wave Rectifier?
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📌Quiz🚨
What is the main cause of the breakdown in a heavily doped Zener diode under reverse bias?
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What is the main cause of the breakdown in a heavily doped Zener diode under reverse bias?
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Anonymous Quiz
22%
Thermal runaway
10%
Impact ionization
29%
Quantum mechanical tunneling
39%
Direct carrier recombination
B.Sc. Physics Exam pinned «📌Quiz🚨
What is the main cause of the breakdown in a heavily doped Zener diode under reverse bias?
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What is the main cause of the breakdown in a heavily doped Zener diode under reverse bias?
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📌Quiz🚨
Why is the core of an AC transformer laminated instead of made from a single solid block of iron?
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Why is the core of an AC transformer laminated instead of made from a single solid block of iron?
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Anonymous Quiz
11%
To increase magnetic permeability
51%
To reduce eddy current losses
7%
To increase winding capacitance
31%
To eliminate hysteresis loss completely
B.Sc. Physics Exam pinned «📌Quiz🚨
Why is the core of an AC transformer laminated instead of made from a single solid block of iron?
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Why is the core of an AC transformer laminated instead of made from a single solid block of iron?
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📌Quiz🚨
Which terminal of a field-effect transistor (FET) corresponds functionally to the emitter in a BJT?
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Which terminal of a field-effect transistor (FET) corresponds functionally to the emitter in a BJT?
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Anonymous Quiz
11%
Drain
40%
Gate
42%
Source
7%
Substrate
B.Sc. Physics Exam pinned «📌Quiz🚨
Which terminal of a field-effect transistor (FET) corresponds functionally to the emitter in a BJT?
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Which terminal of a field-effect transistor (FET) corresponds functionally to the emitter in a BJT?
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🚨IIT JAM 2027, The Application portal will be published on 12th September 2026.
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✅️The Information Brochure for JAM 2027 is published.
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Official Website IIT JAM 2027
https://jam.iitkgp.ac.in
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✅️The Information Brochure for JAM 2027 is published.
@iitjamphysicsexam
Official Website IIT JAM 2027
https://jam.iitkgp.ac.in
🚨IIT JAM 2027 Application Portal is Launched.
https://joaps.iitkgp.ac.in/login
Thanks
@iitjamphysicsexam
https://joaps.iitkgp.ac.in/login
Thanks
@iitjamphysicsexam
B.Sc. Physics Exam pinned «🚨IIT JAM 2027 Application Portal is Launched. https://joaps.iitkgp.ac.in/login Thanks @iitjamphysicsexam»
📌Quiz🚨
What happens to the drift velocity of free electrons in a copper wire if the applied electric field is doubled?
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What happens to the drift velocity of free electrons in a copper wire if the applied electric field is doubled?
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Anonymous Quiz
16%
Halved
45%
Doubled
22%
Unchanged
17%
Quadrupled
B.Sc. Physics Exam pinned «📌Quiz🚨
What happens to the drift velocity of free electrons in a copper wire if the applied electric field is doubled?
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What happens to the drift velocity of free electrons in a copper wire if the applied electric field is doubled?
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B.Sc. Physics Exam pinned «📌Quiz🚨
An ideal voltmeter should have an internal resistance that is ?
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An ideal voltmeter should have an internal resistance that is ?
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📌Quiz🚨
In an n-p-n transistor common-base configuration, the input resistance is:
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In an n-p-n transistor common-base configuration, the input resistance is:
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Anonymous Quiz
48%
Very low
24%
Very high
11%
Infinite
17%
Highly capacitive
B.Sc. Physics Exam pinned «📌Quiz🚨
In an n-p-n transistor common-base configuration, the input resistance is:
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In an n-p-n transistor common-base configuration, the input resistance is:
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📌Quiz🚨
What property describes the opposition offered by an inductor to the sudden change of electric current?
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What property describes the opposition offered by an inductor to the sudden change of electric current?
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Anonymous Quiz
19%
Reactance
58%
Self-inductance
18%
Mutual inductance
5%
Capacitance
B.Sc. Physics Exam pinned «📌Quiz🚨
What property describes the opposition offered by an inductor to the sudden change of electric current?
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What property describes the opposition offered by an inductor to the sudden change of electric current?
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