MEDIUM
10th ICSE
IMPORTANT
Earn 100

Name a material which is used for making the standard resistor. Give a reason for your answer.

Important Questions on Current Electricity

MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 30
Name the material used for making a fuse wire. Give a reason.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 31
Name the material used for filament of an electric bulb.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 31
Name the material used for heating element of a room heater.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 32
What is a superconductor? Give one example of it.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 33
A substance has zero resistance below 1 K. What is such a substance called?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 1
Which of the following is an ohmic resistance?
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 2
For which of the following substance, resistance decreases with increase in temperature?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 8 - Current Electricity>EXERCISE-8(A)>Q 1
In a conductor, 6.25×1016 electrons flow from its end A to B in 2 s. Find the current flowing through the conductor. (e=1.6×10-19 C)