Physics 12 Chapter 16 Important Questions

Learn Physics 12 Chapter 16 Important Questions. These important physics 12 mcqs, short and long questions are collected by going through different past papers of all Punjab Board Pakistan.

Why are these questions important?

These Questions are taken from past papers of Physics 12. These questions are top repeated of in previous papers of Physics 12 of all Punjab boards as;

      Bahawalpur Board

      D.G.Khan Board

      Faisalabad Board

      Gujranwala Board

      Lahore Board

      Multan Board

      Rawalpindi Board

Content is created and designed with intense care and diligence. Here is only the most important MCQ, short questions and long questions of Physics 12 chapter 16 Alternating Current.

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You can easily download in pdf format or view Physics 12 mcqs, short questions and long questions  online. You can easily print these files in simple way. Here you find Physics 12 chapter 16 Alternating Current important mcqs, short and long questions. By Preparing these important questions, you will achieve splendid marks in Physics 12. This content is very helpful for weak students and also helpful for those students that are better at Physics 12 exam preparation. These Questions are based on the current Physics  12 syllabus according to Punjab Textbook Board.

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About This Chapter

Physics 12 chapter 16 Alternating Current enables the students to Alternating Current and A.C. Circuits. Students learn A.C. Through a Resistor, A.C. Through a Capacitor and A.C. Through an Inductor. Students learn Impedance. Students learn R-C and R-L Series Circuits, Power in A.C. Circuits, Power in A.C. Circuits, Parallel Resonance Circuit and  Series Resonance Circuit. Students learn about Series Resonance Circuit. Students learn Principle of Metal Detectors, Choke, Electromagnetic Waves, principle of Generation, Transmission and Reception of Electromagnetic Waves and AM, FM modulation. This Post "Physics  12 Chapter 16 Important Questions" covers all important mcqs, short and long questions related to important  topics of this chapter.

👉Imp MCQs - Physics  12 CH # 16

1. A changing flux creates:

(A) Charge

(B) Electric field

(C) Magnetic field

(D) None of these

(C) Magnetic field

2. In modulation low frequency signal is known as:

(A) Modulation signal

(B) Harmonic response

(C) Fluctual response

(D) All of above

(A) Modulation signal

3. The range of F.M transmission frequencies is from:   

(A) 188 MHz to 208 MHz

(B) 108 MHz to 308 MHz

(C) 168 MHz to 608 MHz

(D) 88 MHz to 108 MHz

(D) 88 MHz to 108 MHz

4. Metal detector consists of :
    

(A) LC circuit

(B) RL circuit

(C) RC circuit

(D) All of above

(A) LC circuit

5. In three phase AC supply coils are inclined at an angle of :

(A) 0°

(B) 45°

(C) 90°

(D) 120°

(D) 120°

6. The combination effect of resistance and reactance is know as

(A) Resistance

(B) Inductance

(C) Conductance

(D) Impedance

(D) Impedance

7. The SI unit of impedance is:

(A) Ohm

(B) Watt

(C) Joule

(D) Henry

(A) Ohm

8. Power dissipated in pure inductor is ? 

(A) 15 Ampere

(B) Zero

(C) Very large

(D) Infinite

(B) Zero

9. The resistance of pure choke is: 

(A) 50 ohm

(B) Zero

(C) Large

(D) Infinite

(B) Zero

10.  The phase difference between current and voltage in an inductive circuit is ?

(A) 0°

(B) 45°

(C) 90°

(D) 180°

(C) 90°

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👉Other Chapters (PDF) of Physics Class 12 Punjab Textbook Board

✅Chapter 12

Electrostatics

✅Chapter 13

Current Electricity

✅Chapter 14

Electromagnetism

✅Chapter 15

Electromagnetic Induction

✅Chapter 17

Physics of Solids

✅Chapter 18

Electronics

✅Chapter 19

Dawn of Modern Physics

✅Chapter 20

Atomic Spectra

✅Chapter 21

Nuclear Physics