Basic Electronic Components Grade 10 T3

How much resistance is required if V=9 (V) and I=0.02 (A) using Ohm's law?

• R= 450

• R= 0.18

• R= 18

• R= 0.450

What is an electronic base used to build temporary electrical circuits?

• Resistors

• Breadboard

• Capacitors

Which component is used to limit the current flowing through an electrical circuit?

• Capacitors

• Diodes

• Resistors

What is an electrical safety device that removes electrical current from an electrical circuit when the current is too high?

• Fuse

• Battery

• Resistor

What is an electrical circuit in which current does not flow?

• Short circuit

• Open circuit

• Series circuit

• Parallel circuit

What is the most common variable resistor with three legs?

• Potentiometers

• LDRs

• Fuses

What is the component that emits light when the current passes through it?

• Switches

• Diodes

• Fuses

What is the standard unit for measuring resistance?

• Ohm (Ω)

• Volt (V)

• Ampere (A)

• Watt (W)

What is the component that stores electrical charge and releases it when needed?

• Capacitors

• Inductors

• Transistors

What is the unit of electrical power equal to one joule per second?

• Watt (W)

• Ohm (Ω)

• Volt (V)