Electrity and circuits

This circuit is a

• Series circuit

• Parallel circuit

• Complex circuit

• Sequential circuit

If the switch at D is opened which lamps will be lit?

• A, and C

• A and B

• A only

• B and C

Compare the lamp brightness in this circuit

• A & B are the same, C is brighter

• B & C are the same, A is dimmer

• A & B are the same, C is dimmer

• C is brighter than A which is brighter than B

Ohm's law has the equation

• I = VR

• R = I/V

• R = VI

• V = IR

For this series circuit with R₁= 10 Ohms, R₂= 15 Ohms and R₃= 30 Ohms the total resistance is

• 55 Ohms

• 30 Ohms

• 25 Ohms

• 5 Ohms

For this parallel circuit with R₁ = 10 Ohms, R₂ = 15 Ohms and R₃ = 30 Ohms the total resistance of the circuit is

• 55 Ohms

• 30 Ohms

• 25 Ohms

• 5 Ohms

Which meter is not in the correct position in the circuit

• 1

• 2

• 3

• 4

This circuit is a

• Series circuit

• Parallel circuit

• Complex circuit

• Sequential circuit

If the switch at D is opened which lamps will be lit?

• A, and C

• A and B

• A only

• B and C

What is an electrical circuit?

• lets you turn the energy on and off
• a closed path where where electricity flows
• stop electricity from flowing through