EASY
12th Haryana Board
IMPORTANT
Earn 100

Draw the circuit diagram to determine unknown resistance using a meter bridge Write the equation for determining the unknown resistance.

Important Questions on Current Electricity

EASY
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2019>Q 6
What is Kirchchoff's Loop rule.
MEDIUM
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2019>Q 7
Explain the principle of potentiometer. Draw the labelled circuit diagram for comparing of emf of two cell.
EASY
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2020>Q 8

With the increase in length of a conductor, its resistivity:
 

MEDIUM
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2020>Q 10
On which principle does meter bridge work? Draw a labelled circuit diagram and write an expression to find an unknown resistance
EASY
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2019>Q 5
How much current flows through a 2kΩ resistor when a potential difference of 4V is applied across its ends?
EASY
12th Haryana Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 3 - Current Electricity>Haryana Board-2020>Q 9
How much current flows through a 4 kΩ resistor when a potential difference of 2 V is applied across its ends?