ELECTRONICS

What is the SI unit of electric current?

• Volt

• Ampere

• Ohm

• Watt

What is the symbol for voltage in an electric circuit?

• I

• R

• V

• P

What device is used to measure resistance?

• Voltmeter

• Ammeter

• Ohmmeter

• Thermometer

What is the SI unit of electric charge?

• Coulomb

• Farad

• Henry

• Joule

What is the formula for calculating power in an electrical circuit?

• P = V/I

• P = V × I

• P = V² × I

• P = V²/R

Which material is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Plastic

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

What is the function of a fuse in a circuit?

• To store energy

• To increase current

• To prevent overload

• To supply voltage

What is the SI unit of resistance?

• Ohm

• Ampere

• Volt

• Watt

What does a voltmeter measure?

• Current

• Resistance

• Voltage

• Power