set 6 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
- It is a two-dimensional material and has good electrical conductivity.
- It is one of the thinnest but strongest materials tested so far.
- It is entirely made of silicon and has high optical transparency.
- It can be used as ‘conducting electrodes’ required for touch screens, LCDs and organic LEDs.
(a) 1, 2 and 4 only
(b) 1 and 2 only
(c) 3 and 4 only
(d) 1, 2, 3 and 4
The correct answers to the above question in:
Answer: (a)
Graphene is a two-dimensional material and has good electrical conduction. It is one of the thinnest but strongest materials tested so far.
It can be used for conducting electrodes required for touch screens, LCDs and organic LEDs.
Discuss Form
Read more physics gk Based General Science Questions and Answers
Question : 1
Coulomb’s law is true for
a) nuclear distances (= 10–15 m)
b) charged as well as uncharged particles
c) atomic distances (= 10–11 m)
d) all the distances
Answer »Answer: (d)
Coulomb’s law is true for all distances small and large.
Hence it is called a long range force.
Question : 2
Which of the following is most suitable for the core of electromagnets?
a) Copper-nickel alloy
b) Soft iron
c) Steel
d) Air
Answer »Answer: (b)
Soft iron is highly ferromagnetic.
Question : 3
Inverter converts
a) direct current into alternating current
b) current at low voltage to current at high voltage
c) alternating current into direct current
d) None of these
Answer »Answer: (a)
Inverter converts a.c. into d.c.
Question : 4
In which one of the following cases Ohm’s law is not valid?
a) Junction diode
b) Wire bound resistor
c) Potentiometer
d) Electric bulb
Answer »Answer: (a)
Question : 5
Alternating current is converted to direct current
a) By Transformer
b) By Dynamo
c) By Motor
d) By Rectifier
Answer »Answer: (d)
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
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »
IBPS Profit and Loss Questions Solved Problems with PDF
Most important Profit and Loss multiple choice questions and answers with PDF for IBPS RRB PO. 100+ Aptitude MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Average Aptitude Questions Answers solutions MCQ PDF
New Average multiple choice questions and answers with PDF for IBPS RRB PO. 100+ Quantitative Aptitude MCQ Practice Exercises all competitive exams
Continue Reading »