📌Quiz🚨
When negative feedback is applied to an amplifier circuit, what happens to its bandwidth and gain stability?
@iitjamphysicsexam 👈Join
When negative feedback is applied to an amplifier circuit, what happens to its bandwidth and gain stability?
@iitjamphysicsexam 👈Join
Anonymous Quiz
17%
Bandwidth decreases, gain stability decreases
40%
Bandwidth increases, gain stability increases
15%
Bandwidth increases, gain stability decreases
29%
Bandwidth decreases, gain stability increases
B.Sc. Physics Exam pinned «📌Quiz🚨
When negative feedback is applied to an amplifier circuit, what happens to its bandwidth and gain stability?
@iitjamphysicsexam 👈Join»
When negative feedback is applied to an amplifier circuit, what happens to its bandwidth and gain stability?
@iitjamphysicsexam 👈Join»
📌Quiz🚨
Which logic gate produces a LOW output ONLY when all of its inputs are HIGH?
@iitjamphysicsexam 👈Join
Which logic gate produces a LOW output ONLY when all of its inputs are HIGH?
@iitjamphysicsexam 👈Join
Anonymous Quiz
25%
NOR
51%
NAND
11%
XOR
13%
XNOR
B.Sc. Physics Exam pinned «📌Quiz🚨
Which logic gate produces a LOW output ONLY when all of its inputs are HIGH?
@iitjamphysicsexam 👈Join»
Which logic gate produces a LOW output ONLY when all of its inputs are HIGH?
@iitjamphysicsexam 👈Join»
📌Quiz🚨
What is the fundamental condition required for sustained oscillations according to the Barkhausen Criterion?
@iitjamphysicsexam 👈Join
What is the fundamental condition required for sustained oscillations according to the Barkhausen Criterion?
@iitjamphysicsexam 👈Join
Anonymous Quiz
24%
Loop gain must be less than 1 and total phase shift must be 90°
54%
Loop gain must equal 1 and total phase shift around the loop must be 0° or 360°
15%
Loop gain must be infinite and phase shift must be 180°
7%
Loop gain must be zero with no phase shift
B.Sc. Physics Exam pinned «📌Quiz🚨
What is the fundamental condition required for sustained oscillations according to the Barkhausen Criterion?
@iitjamphysicsexam 👈Join»
What is the fundamental condition required for sustained oscillations according to the Barkhausen Criterion?
@iitjamphysicsexam 👈Join»
📌Quiz🚨
In a purely inductive AC circuit, what is the average power consumed over a complete cycle?
@iitjamphysicsexam 👈Join
In a purely inductive AC circuit, what is the average power consumed over a complete cycle?
@iitjamphysicsexam 👈Join
Anonymous Quiz
16%
Maximum possible power
22%
Dependent on the inductor's inductance
22%
Half of the peak power
40%
Zero
B.Sc. Physics Exam pinned «📌Quiz🚨
In a purely inductive AC circuit, what is the average power consumed over a complete cycle?
@iitjamphysicsexam 👈Join»
In a purely inductive AC circuit, what is the average power consumed over a complete cycle?
@iitjamphysicsexam 👈Join»
📌Quiz🚨
What makes a Light Emitting Diode (LED) emit visible light when forward-biased, unlike a standard silicon diode?
@iitjamphysicsexam 👈Join
What makes a Light Emitting Diode (LED) emit visible light when forward-biased, unlike a standard silicon diode?
@iitjamphysicsexam 👈Join
Anonymous Quiz
7%
Silicon has no valence band
73%
LEDs are made of direct band-gap materials where recombination releases energy as photons
5%
Standard silicon diodes only conduct under reverse bias
15%
LEDs do not require majority charge carriers
B.Sc. Physics Exam pinned «📌Quiz🚨
What makes a Light Emitting Diode (LED) emit visible light when forward-biased, unlike a standard silicon diode?
@iitjamphysicsexam 👈Join»
What makes a Light Emitting Diode (LED) emit visible light when forward-biased, unlike a standard silicon diode?
@iitjamphysicsexam 👈Join»
📌Quiz🚨
What is the primary characteristic of an ideal current source connected to a load?
@iitjamphysicsexam 👈join
What is the primary characteristic of an ideal current source connected to a load?
@iitjamphysicsexam 👈join
Anonymous Quiz
37%
Zero internal resistance
28%
Infinite internal resistance
19%
It delivers variable current based on load voltage
16%
Zero output voltage under all conditions
B.Sc. Physics Exam pinned «📌Quiz🚨
What is the primary characteristic of an ideal current source connected to a load?
@iitjamphysicsexam 👈join»
What is the primary characteristic of an ideal current source connected to a load?
@iitjamphysicsexam 👈join»
🚨IIT JAM 2027 Information🚨
🌟Important Dates 👉
@iitjamphysicsexam
⏭️JAM Information Brochure Release
[August 22, 2026]
⏭️JAM Online Application Processing System (JOAPS) Website Opens
🚀REGISTRATION STARTS
[September 05, 2026]
⏭️For PwD Candidates: Required forms must be uploaded after payment.
[September 05, 2026]
⏭️Registration Closing Date.
🚀LAST DATE TO APPLY
[October 12, 2026]
⏭️Opening of JOAPS portal for data correction on payment basis.
[November 10, 2026]
⏭️EXAMINATION DATE
[ 14 FEB 2027 ]
⏭️RESULTS
[ 18 MAR 2027 ]
💥 @iitjamphysicsexam
🌟Application Fees for Examination👉
⏭️Female / SC / ST / PwD
One Test Paper ₹ 1000
Two Test Papers ₹ 1350
⏭️All Others👉
One Test Paper ₹ 2000
Two Test Papers ₹ 2700
💥 @iitjamphysicsexam
🌟Eligibility👉
"Candidates who have completed their undergraduate degree or are appearing for the final examination of their qualifying degree in 2027 are eligible to appear for JAM 2027"
💥 @iitjamphysicsexam
🌟Documents Requirements👉
⏭️ X Standard (SSC) Marksheet/Certificate
⏭️ Photograph
⏭️ Signature
⏭️ Category Certificate
⏭️ PwD Certificate
💥 @iitjamphysicsexam
🌟IIT JAM 2027 Official Website Link👉
https://jam.iitkgp.ac.in
🌟JAM 2027 Organising Institute
❤️IIT Kharagpur❤️
Thanks
IIT JAM Physics Discussion
@iitjamphysicsdiscussion
&
IIT JAM Physics Exam
@iitjamphysicsexam
🌟Join For more Information
👉 @iitjamphysicsexam
🌟Important Dates 👉
@iitjamphysicsexam
⏭️JAM Information Brochure Release
[August 22, 2026]
⏭️JAM Online Application Processing System (JOAPS) Website Opens
🚀REGISTRATION STARTS
[September 05, 2026]
⏭️For PwD Candidates: Required forms must be uploaded after payment.
[September 05, 2026]
⏭️Registration Closing Date.
🚀LAST DATE TO APPLY
[October 12, 2026]
⏭️Opening of JOAPS portal for data correction on payment basis.
[November 10, 2026]
⏭️EXAMINATION DATE
[ 14 FEB 2027 ]
⏭️RESULTS
[ 18 MAR 2027 ]
💥 @iitjamphysicsexam
🌟Application Fees for Examination👉
⏭️Female / SC / ST / PwD
One Test Paper ₹ 1000
Two Test Papers ₹ 1350
⏭️All Others👉
One Test Paper ₹ 2000
Two Test Papers ₹ 2700
💥 @iitjamphysicsexam
🌟Eligibility👉
"Candidates who have completed their undergraduate degree or are appearing for the final examination of their qualifying degree in 2027 are eligible to appear for JAM 2027"
💥 @iitjamphysicsexam
🌟Documents Requirements👉
⏭️ X Standard (SSC) Marksheet/Certificate
⏭️ Photograph
⏭️ Signature
⏭️ Category Certificate
⏭️ PwD Certificate
💥 @iitjamphysicsexam
🌟IIT JAM 2027 Official Website Link👉
https://jam.iitkgp.ac.in
🌟JAM 2027 Organising Institute
❤️IIT Kharagpur❤️
Thanks
IIT JAM Physics Discussion
@iitjamphysicsdiscussion
&
IIT JAM Physics Exam
@iitjamphysicsexam
🌟Join For more Information
👉 @iitjamphysicsexam
🚨IIT JAM 2027 Important Dates
@iitjamphysicsexam
@iitjamphysicsexam
🚨IIT JAM 2027, The Application portal will be published on 12th September 2026.
@iitjamphysicsexam
✅️The Information Brochure for JAM 2027 is published.
@iitjamphysicsexam
@iitjamphysicsexam
✅️The Information Brochure for JAM 2027 is published.
@iitjamphysicsexam
📌Quiz🚨
A p-channel JFET (Junction Field Effect Transistor) is controlled by which type of gate-to-source voltage?
@iitjamphysicsexam 👈join
A p-channel JFET (Junction Field Effect Transistor) is controlled by which type of gate-to-source voltage?
@iitjamphysicsexam 👈join
Anonymous Quiz
24%
Positive gate-to-source voltage to widen the channel
48%
Positive gate-to-source voltage to reverse-bias the gate-channel junction
17%
Negative gate-to-source voltage to conduct current
10%
Grounded gate with no bias allowed
B.Sc. Physics Exam pinned «📌Quiz🚨
A p-channel JFET (Junction Field Effect Transistor) is controlled by which type of gate-to-source voltage?
@iitjamphysicsexam 👈join»
A p-channel JFET (Junction Field Effect Transistor) is controlled by which type of gate-to-source voltage?
@iitjamphysicsexam 👈join»
📌Quiz🚨
Which property is characteristic of a Superconductor in the superconducting state below its critical temperature (Tc)?
@iitjamphysicsexam 👈 join
Which property is characteristic of a Superconductor in the superconducting state below its critical temperature (Tc)?
@iitjamphysicsexam 👈 join
Anonymous Quiz
14%
Infinite electrical resistance and paramagnetic behavior
64%
Zero electrical resistance and perfect diamagnetism (Meissner Effect)
17%
High positive temperature coefficient and magnetic trapping
5%
Constant resistance with changing temperature
B.Sc. Physics Exam pinned «📌Quiz🚨
Which property is characteristic of a Superconductor in the superconducting state below its critical temperature (Tc)?
@iitjamphysicsexam 👈 join»
Which property is characteristic of a Superconductor in the superconducting state below its critical temperature (Tc)?
@iitjamphysicsexam 👈 join»