sample questions

How many terminals are there in a potentiometer?

• 1

• 2

• 3

• 4

What is the SI unit of resistance?

• Ohm

• Watt

• Volt

• Ampere

Which material is commonly used as a resistor in electronic circuits?

• Copper

• Aluminum

• Carbon

• Gold

What happens to the resistance of a conductor when its temperature increases?

• Decreases

• Remains the same

• Increases

• Depends on the material

Choose the correct option about capacitor

• It blocks AC

• It passes DC

• It blocks DC

• None of the above

What is the function of a diode in an electronic circuit?

• It amplifies the signal

• It blocks the flow of current in one direction

• It regulates the voltage

• None of the above

Which component is used to store electrical charge in a circuit?

• Resistor

• Inductor

• Capacitor

• Transistor

What is the purpose of a transformer in an electrical system?

• To convert AC to DC

• To step up or step down voltage

• To amplify the signal

• To regulate current flow

Equivalent resistance of two resistor connected in parallel is ______ than the individual resistance