CBSE Class 10 Science Chapter 12 Electricity Multiple Choice Questions with Answers. MCQ Class 10 Science Electricity with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Electricity MCQs with Answers to know their preparation level.
MCQ Class 10 Science Electricity with Answers - Set - 5
Question 1:
Three resistors of 1 Ω, 2 ft and 3 Ω are connected in parallel. The combined resistance of the three resistors should be
(a) greater than 3 Ω
(b) less than 1 Ω
(c) equal to 2 Ω
(d) between 1 Ω and 3 Ω
Correct Answer – (B)
Question 2 :
Electric power is inversely proportional to
(a) resistance
(b) voltage
(c) current
(d) temperature
Correct Answer – (A)
Question 3 :
The electrical resistance of insulators is
(a) high
(b) low
(c) zero
(d) infinitely high
Correct Answer – (D)
Question 4 :
When electric current is passed, electrons move from:
(a) high potential to low potential.
(b) low potential to high potential.
(c) in the direction of the current.
(d) against the direction of the current.
Correct Answer – (B)
Question 5 :
1 mV is equal to:
(a) 10 volt
(b) 1000 volt
(c) 10-3 volt
(d) 10-6 volt
Correct Answer – (C)
MCQ Class 10 Science Electricity with Answers
Question 6 :
What is the commercial unit of electrical energy?
(a) Joules
(b) Kilojoules
(c) Kilowatt-hour
(d) Watt-hour
Correct Answer – (C)
Question 7 :
Electrical resistivity of any given metallic wire depends upon
(a) its thickness
(b) its shape
(c) nature of the material
(d) its length
Correct Answer – (C)
Question 8 :
The heating element of an electric iron is made up of:
(a) copper
(b) nichrome
(c) aluminium
(d) iron
Correct Answer – (B)
Question 9 :
Coulomb is the SI unit of:
(a) charge
(b) current
(c) potential difference
(d) resistance
Correct Answer – (A)
Question 10 :
Electric potential is a:
(a) scalar quantity
(b) vector quantity
(c) neither scalar nor vector
(d) sometimes scalar and sometimes vector
Correct Answer – (A)
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