Basic Electrical Instrument Quiz

What is the purpose of an insulation tester?

• To measure the current flow in a wire

• To measure the voltage of a circuit

• To measure the resistance of a conductor

• To measure the resistance of an electrical system

What are the two types of electrical instruments mentioned in the text?

• Absolute and secondary instruments

• Indicating and integrating instruments

• Analog and digital instruments

• Primary and secondary instruments

What is the unit of length in the SI system?

• Second

• Kilogram

• Meter

• Newton

What is the main advantage of a digital multimeter over an analog meter?

• Faster response time

• Higher accuracy

• Easier to use

• Greater durability

What is the function of the controlling force in a PMMC instrument?

• To minimize oscillation

• To provide electrical connections

• To exert force on the coil

• To retain the coil at its zero position

What is the purpose of a kilowatt-hour meter?

• To measure energy consumption over time

• To measure voltage in a circuit

• To measure resistance in a wire

• To measure current flow in a system

What is the unit of charge in the SI system?

• Ampere

• Coulomb

• Ohm

• Volt

What is the main function of international measurement standards?

• To maintain primary standards

• To provide references for calibrating working standards

• To be used for comparison with primary standards

• To be used for day-to-day measurements

What is the purpose of an instrument transformer?

• To measure insulation resistance

• To measure energy consumption

• To measure voltage and current

• To measure the resistance of a conductor

What is the function of the damping force in a deflection instrument?

• To minimize oscillation

• To provide electrical connections

• To exert force on the coil

• To retain the coil at its zero position