  Patterns of problems

Current Electricity

1
Pattern:Graph-based problems for Ohm's Law,
Description: Ohm's law states that the current in a conductor is directly proportional to the voltage applied across its ends.
1. To determine if the conductor is ohmic or non-ohmic.
2. Question related to determining the resistance.
3. Determining the conductor with higher resistance while comparing between two characteristics.
4. Question-based on change in one parameter due to another.
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2
Pattern:Circuit problems based on KCL and KVL
Description: The KCL and KVL are the two important laws that are used in solving almost all the circuit-based problems in current electricity.
1. To simplify and determine current using current law.
2. Circuit problems to determine the voltage drop across any component.
3. Combined circuit with several closed loops to apply KCL and KVL simultaneously.
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3
Pattern:Problems based on Wheatstone bridge
Description: The potentiometer and Meter bridge are the modified version of the Wheatstone bridge. These are used to determine the unknown resistances.