EASY
10th CBSE
IMPORTANT
Earn 100

State three factors which determine quantity of heat produced in a conductor.

Important Questions on Electricity

HARD
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 3
Can the heat produced in a conductor be called a measure of electrical work? If so, then give a reason in support of your answer.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 4
Derive an expressions for electric power in terms of current and resistance.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 4
Derive expressions for electric power in terms of current and potential difference.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 4

Derive an expressions for electric power in terms of resistance and potential difference.

MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 5
Distinguish between the term "overloading" and "short circuiting" as used in domestic circuits.
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 5
Why are the coils of electric toaster made of an alloy rather than pure metal?
MEDIUM
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 6
An electric lamp of 200 Ω and a toaster of 100 Ω are connected in parallel to 220 V electricity source. What will be the resistance of an electric iron that when connected to the same source permits the same current as the total flowing through both appliances described above?
EASY
10th CBSE
IMPORTANT
Core Science Physics>Chapter 3 - Electricity>EXERCISE - 3C>Q 6

An electric lamp of 200 Ω and a toaster of 100 Ω are connected in parallel to 220 V electricity source. An electric iron is connected to the same source permits the same current as the total flowing through both appliances. What is the current passing through the electric iron?