Question 1 What is meant by series combination of resistors? Question 2 You are provided with three resistors R1 , R2 and R3 . Write the formula for the equivalent resistance R when there resistors are connected in series? Question 3 A resistance of 6 Ω is connected in series with another resistor of 4 Ω.A potential difference of […]

# resistance

## Resistance

Question 1 A piece of wire is redrawn by pulling it until its length is doubles.Compare the new resistance with the original value? Question 2 How is the resistivity of a material related to the use of that material? Question 3 On what factors does the resistance of a conductor depends? Question 4 Why connecting […]

## Ohm’s Law

Question 1 State ohm’s law? Question 2 What is the resistance of an electric arc lamp,if the lamp uses 20 A when connected to a 220 Volt line? Question 3 Define resistance of a conductor.What is its SI unit? Question 4 Write the formula which relates electric current,time and electric current? Question 5 What kind […]