What is the effect of increasing the resistance in the circuit of a potentiomete

Practice Questions

Q1
What is the effect of increasing the resistance in the circuit of a potentiometer?
  1. Increases the current
  2. Decreases the current
  3. No effect on current
  4. Increases the emf

Questions & Step-by-Step Solutions

What is the effect of increasing the resistance in the circuit of a potentiometer?
  • Step 1: Understand what a potentiometer is. It is a device that can change resistance in a circuit.
  • Step 2: Know that resistance is a measure of how much a material opposes the flow of electric current.
  • Step 3: Remember Ohm's Law, which states that Voltage (V) = Current (I) x Resistance (R).
  • Step 4: If you increase the resistance (R) in the circuit, and the voltage (V) stays the same, the current (I) must decrease.
  • Step 5: This means that with higher resistance, less current flows through the circuit.
No concepts available.
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