Electricity the quiz

What is the SI unit of electric current

• Ampere

• Watts

• Joule

• Coulomb

The scientist who discovered electromagnetism was

What is the SI unit of electric charge?

• Ampere

• Watts

• Joule

• Coulomb

The human body is a

• Conductor

• Insulator

• Semiconductor

• Current blocker

Which material is commonly used as a semiconductor?

• Copper

• Silicon

• Aluminum

• Gold

Solar cells can change what into electrical energy

The only metal insulator is

• Mercury

• Iron

• Aluminum

• Silver

Electric current in car is converted to what energy to run the car

• thermal energy
• sound energy
• light energy
• mechanical (kinetic) energy

The device that prevents the bulb from getting fused is called

• light wire

• miniature circuit breaker (MCB)

• circuit

• breaker

Q = 120 C

t = 1 min 30 sec

I = ?

• 1.20 A
• 1.50 A
• 1.80 A
• 1.33 A