Multimeter: usage and measurement techniques MCQs January 8, 2026November 19, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. The primary function of a multimeter is: (A) Measure only voltage (B) Measure voltage, current, and resistance (C) Measure current and voltage (D) Measure only resistance 2. Which of the following measurements can be performed using a digital multimeter? (A) Voltage (B) All of the above (C) Resistance (D) Current 3. In a digital multimeter (DMM), the unit for measuring voltage is: (A) Ohm (Ω) (B) Ampere (A) (C) Watt (W) (D) Volt (V) 4. When using a multimeter to measure current, it should be connected in which way? (A) In parallel with the circuit (B) In series with the circuit (C) Across the voltage source (D) It does not matter 5. Which of the following is the correct setting on a multimeter to measure resistance? (A) Ohm (Ω) setting (B) AC Voltage setting (C) DC Voltage setting (D) Ampere (A) setting 6. What is the range of a typical multimeter’s voltage measurement for AC voltage? (A) 0-50 V (B) 0-1000 V (C) 0-10 V (D) 0-5 V 7. When measuring current with a multimeter, what could happen if the multimeter is set to measure voltage instead of current? (A) The multimeter will measure resistance (B) The multimeter could get damaged or blown (C) The multimeter will show an incorrect value (D) The multimeter will work fine 8. In a multimeter, which of the following is true about the internal resistance of the multimeter when measuring voltage? (A) It is low (B) It is very high (C) It is zero (D) It is variable 9. If you are using a multimeter to measure voltage, which of the following is the correct connection method? (A) The multimeter should be placed in series with the circuit (B) The multimeter should be connected in parallel with the power source (C) The multimeter should be connected in parallel to the component or circuit element (D) The multimeter should be connected to ground 10. In the context of a multimeter, what does the ‘auto range’ feature do? (A) It automatically selects the correct type of measurement (B) It automatically sets the voltage to the correct level (C) It adjusts the measurement range based on the signal strength (D) It shows only one type of measurement at a time 11. What could happen if you set the multimeter to measure current and connect it across a voltage source (instead of in series with the load)? (A) The multimeter will show the total circuit current (B) The multimeter may blow a fuse or get damaged (C) The multimeter will measure resistance (D) The multimeter will measure voltage 12. When measuring resistance, how should the multimeter probes be connected to the resistor? (A) One probe to each end of the resistor (B) Probes should not touch the resistor at all (C) The probes should touch the middle of the resistor (D) The probes should be connected across the power supply 13. What is the maximum AC voltage typically measurable by most multimeters? (A) 10 V (B) 100 V (C) 1000 V (D) 600 V 14. When measuring a small current (like in microamps), which setting should be used on a digital multimeter? (A) High voltage setting (B) Resistance setting (C) Low current (microamps) setting (D) High resistance setting 15. A digital multimeter with a ‘hold’ function is useful for: (A) Freezing the display to record the measurement value (B) Resetting the measurement range (C) Measuring current continuously (D) Changing the measurement unit automatically 16. If a multimeter shows a negative reading when measuring DC voltage, what does that indicate? (A) The probes are connected correctly (B) The battery is low (C) The multimeter is faulty (D) The polarity of the probes is reversed 17. When using a multimeter to measure voltage across a battery, the reading should show: (A) Zero (B) A voltage equal to the battery’s rated voltage (C) The current flowing through the battery (D) A value much higher than the battery’s voltage 18. The accuracy of a multimeter is typically expressed as: (A) Voltage (B) Current (C) Tolerance (D) Resistance 19. Which of the following is true when measuring AC voltage with a multimeter? (A) The multimeter cannot measure AC voltage (B) The multimeter can only measure peak voltage (C) The multimeter gives instantaneous voltage values (D) The multimeter can only measure RMS (Root Mean Square) values 20. What is the typical input impedance of a digital multimeter when measuring voltage? (A) Low impedance (B) Infinite impedance (C) Variable impedance (D) High impedance