CER- UNIT 1- CIRCUIT ELEMENTS

Match the following

• checked regularly by the technician.

• The wires aren’t

• by Luigi Galvani in 1786.

• Was the first cell s made by Volt

• in 1880?

• The electrical battery was invented

• is replaced by the engineer

• The faulty resistor

Match the following

• Wire

• 
• LED

• 
• Battery

• 
• Capacitor

• 

Reorder the following

• The capacitor  is

• charged

• power supply.
  
  

• by the

Reorder the following

• battery

• The 9V

• the circuit.

• is connected to

Active: Someone uses resistors to control the current flow to the LEDs.

Passive:

• Resistors are used to control the current flow to the LEDs.

• Resistors were used to control the current flow to the LEDs.

• Resistors was used to control the current flow to the LEDs.

• Resistors has been used to control the current flow to the LEDs.