EASY
10th CBSE
IMPORTANT
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What is the unit of electrical resistance?

Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 8
Give reason: "Electricians wear rubber hand gloves while working with electricity".
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 9
Name two good conductors, two resistors and two insulators.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 10
What happens to the current if the resistance of a circuit is doubled and the potential difference is constant?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 1
Define resistivity.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 2
Give an expression for the resistivity of a substance along with their symbols and units.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 3
What happens to the resistance with respect to the area of cross-section?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 4
Give reason: "The heating elements of electrical heating appliances are made up of alloys rather than a pure metal".
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 3 - Part -1>Electricity>Q 5
Compare the resistivity of conductors, semiconductors and insulators with respect to temperature.