ELECTRO QUIZZER R1

What is the SI unit of electric current?

• Ampere (A)

• Ohm (Ω)

• Volt (V)

• Watt (W)

 Which of the following materials is a good conductor of electricity?

•  Glass

• Rubber

• Copper

• Wood

What is the basic unit of electrical power?

• Ampere (A)

• Volt (V)

• Ohm (Ω)

• Watt (W)

What does Ohm's Law state?

• V = IR

• I = V/R

• R = V/I

• All of the above

 In a series circuit, what happens to the total resistance as more resistors are added?

• Increases

• Decreases

• Remains the same

• Cannot be determined

What is the unit of electrical resistance?

• Ampere (A)

• Ohm (Ω)

• Volt (V)

• Watt (W)

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

• Resistor

• Capacitor

• Inductor

• Diode

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

• Stores electrical energy

• Amplifies electrical signals

• Controls the flow of current

• Converts AC to DC

Which type of current flows in only one direction?

• Alternating current (AC)

• Direct current (DC)

• Variable current (VC)

• None of the above

What is the purpose of a fuse in an electrical circuit?

• To increase resistance

• To regulate voltage

• To protect against overcurrent

• To store electrical energy