EASY
10th CBSE
IMPORTANT
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Resistance of a metal wire increases as its temperature .(increases/decreases)

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Important Questions on Electricity

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 7
The resistance of a cylindrical piece of copper is _____ than that of a similar piece of rubber (more/less).
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 8
The resistivity of germanium and silicon _____ (increases/decreases) with increase in temperature.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 1
A longer nichrome wire will have more resistance than a shorter one.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 2
A thinner nichrome wire will have less resistance than a thicker one.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 3
Copper is the best conductor of electricity.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 4
Coils of electric toasters and electric irons are made of an alloy rather than a pure metal.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 5
An insulator has infinitely high electrical resistance.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 1 - Electricity>EXERCISE>Q 6
Resistivity is the electrical property of a material whose symbol is ‘omega’.