What happens to the current in a circuit if the resistance is increased while th

Practice Questions

Q1
What happens to the current in a circuit if the resistance is increased while the voltage remains constant?
  1. It increases
  2. It decreases
  3. It remains the same
  4. It becomes zero

Questions & Step-by-Step Solutions

What happens to the current in a circuit if the resistance is increased while the voltage remains constant?
  • Step 1: Understand Ohm's Law, which states that Current (I) = Voltage (V) / Resistance (R).
  • Step 2: Identify that in this scenario, the voltage (V) is constant.
  • Step 3: Recognize that if the resistance (R) increases, the denominator in the equation becomes larger.
  • Step 4: Realize that when the denominator increases while the numerator (voltage) stays the same, the overall value of current (I) must decrease.
  • Step 5: Conclude that increasing resistance with constant voltage results in a decrease in current.
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