set 3 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 9 EXERCISES
-
Top Physics GK questions and answers to competitive exam »
-
Top Physics MCQ Questions And Answers IBPS Clerk PO RRB »
-
Physics IBPS Important Objective Questions And Answers »
-
Top Physics Electric Current NCERT Questions And Answers »
-
Physics Current Electricity MCQ Questions For Board Exams »
-
240+ Most Important Physics GK MCQ Questions and Answers »
-
New General Science Physics Mcq Questions, Practice Quiz »
-
199+ General Science Physics GK Questions Answers PDF »
-
Top 250+ Physics GK Questions Answers Quiz, PDF for SSC »
The following question based on electric current and magnetism topic of general science mcq
(a) Electrons are minority carriers and pentavalent atoms are the dopants.
(b) Holes are minority carriers and pentavalent atoms are the dopants.
(c) Electrons are majority carriers and trivalent atoms are the dopants.
(d) Holes are majority carriers and trivalent atoms are the dopants.
The correct answers to the above question in:
Answer: (d)
Discuss Form
Read more physics gk Based General Science Questions and Answers
Question : 1
When a ferromagnetic material is heated to temperature above its Curie temperature, the material:
a) behaves like a diamagnetic material
b) is permanently magnetized
c) remains ferromagnetic
d) behaves like a paramagnetic material
Answer »Answer: (d)
At a particular temperature, known as curie temperature, ferromagnetic material changes over to paramagnetic material.
The ferromagnetic effects weaken with increasing temperature because random thermal motions tend to destroy the alignment of the magnetic dipole moments.
Question : 2
Match list-I with list -II:
| List I | List II |
| A. Greek word for Amber | 1. Electric discharge |
| B. Positively charged particle | 2. Flow of charge |
| C. Cause of lightning | 3. Electron |
| D. Electric current | 4. Proton |
a) A – 4 ; B – 3 ; C – 2 ; D – 1
b) A – 3 ; B – 1 ; C – 2 ; D – 4
c) A – 4 ; B – 2 ; C – 3 ; D – 1
d) A – 3 ; B – 4 ; C – 1 ; D – 2
Answer »Answer: (d)
A → 3; B → 4; C → 1; D → 2
- Electron is the greek work for Amber.
- Proton is a positively charged particle.
- Electric discharge is the cause of lightning.
- Flow of electron causes electric current.
Question : 3
The frequency of A.C. mains in India is
a) 50 c/s
b) 60 c/s
c) 30 c/s
d) 120 c/s
Answer »Answer: (a)
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
Ratio and Proportion Questions with Solutions, IBPS Clerk
New Ratio and Proportion Quants Aptitude based Multiple Choice Questions and Answers Practice Test Series, Quiz & Mock Test for IBPS Clerk Prelims 2024 Exam
Continue Reading »
Top Analogy Reasoning Ability For IBPS Clerk Prelims 2024
Most Important Analogy based Verbal Reasoning Multiple choice questions and answers practice quiz series PDF, Free New Mock tests For IBPS Clerk Prelims 2024
Continue Reading »
SSC STENO: Mensuration Area & Volume Questions Test PDF
Free Mensuration Area and Volume Aptitude-based Practice multiple questions with solutions, Quiz, Full Mock Test & PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »
SSC STENO: Speed Time and Distance MCQ Questions Test PDF
Free Time and Distance Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Download PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »