set 8 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) it is cheaper to produce electricity at high voltage
(b) electricity at high voltage is less dangerous
(c) it is generated only at high voltage
(d) there is less loss of energy in transmission at high voltage
The correct answers to the above question in:
Answer: (a)
Discuss Form
Read more physics gk Based General Science Questions and Answers
Question : 1
In an a.c. circuit, the r.m.s. value of current, Irms is related to the peak current, I0 by the relation
a) $I_{rms} = π I_O$
b) $I_{rms} = {1/π}I_O$
c) $I_{rms} = √{2} I_O$
d) $I_{rms} = 1/√{2} I_O$
Answer »Answer: (d)
Question : 2
Two thin convex lenses of focal lengths 4 cm and 8 cm are separated by a distance of 4 cm in air. The combination will have the focal length
a) 12 cm
b) 4 cm
c) 8 cm
d) 32 cm
Answer »Answer: (b)
Question : 3
p-n junction is said to be forward biased, when
a) the positive pole of the battery is joined to the n-semiconductor and p-semiconductor
b) the positive pole of the battery is connected to n- semiconductor and p- semiconductor
c) the positive pole of the battery is joined to the p-semiconductor and negative pole to the n-semiconductor
d) a mechanical force is applied in the forward direction
Answer »Answer: (c)
For forward biasing of p-n junction, the positive terminal of external battery is to be connected to p-semiconductor and negative terminal of battery to the n-semiconductor.
Question : 4
To convert mechanical energy into electrical energy, one can use
a) AC dynamo
b) DC dynamo
c) motor
d) Both (a) & (b)
Answer »Answer: (d)
Question : 5
Transformers are used
a) in AC circuits only
b) in both DC and AC circuits
c) in DC circuits only
d) neither in DC nor in AC circuits
Answer »Answer: (a)
Question : 6
At the time of short circuit, the current in the circuit
a) does not change
b) increases heavily
c) reduces substantially
d) vary continuously
Answer »Answer: (b)
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
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 »
SSC STENO: Time & Work Questions Solved Problems with PDF
Free Time and work Aptitude-based Practice multiple questions with solutions, Quiz series, Mock Test & Downloadable PDF for SSC Steno (Grade C & D) 2024 Exam
Continue Reading »