MDCAT Physics MCQ #652

MDCAT Physics MCQ #652

1. Question 1

   Q1. An electric current is measured using an ammeter. What is the purpose of the shunt resistor in the ammeter circuit?

   • A) To reduce the current flowing through the ammeter
   • B) To increase the sensitivity of the ammeter
   • C) To connect the ammeter to the circuit
   • D) To measure the voltage drop across the ammeter

   Answer: To reduce the current flowing through the ammeter

   Explanation: The shunt resistor reduces the current flowing through the ammeter, while the other options are unrelated or incorrect.