electicity

What does the electronic schematic symbol shown represent?

• switch

• light

• battery

• wires

What does the electronic schematic symbol shown represent?

• Wire

• Resistor

• Battery

• Switch

What is the total resistance in the circuit?

• 10 ohms

• 6 ohms

• 4 ohms

• 2.4 ohms

What is the total current through the battery?

• 0.75 A

• 1.5 A

• 3 A

• 0.33 A

What is the current through the 2 ohm resistor?

• 0.75 A

• 1.5 A

• 3 A

• 0.33 A

What is the current through the 4 ohm resistor?

• 1.5 A

• 3 A

• 2 A

• 0.75 A

What is the voltage drop over the 4 ohm resistor?

• 6 V

• 3 V

• 2 V

• 1 V

What is the voltage drop over the 2 ohm resistor?

• 6 V

• 3 V

• 2 V

• 1 V

Solve for total circuit resistance

• 140 Ohms

• 75 Ohms

• 90 Ohms

• 65 ohms

A current flows in two resistors connected in series as shown in the diagram. A₁ and A₂ are the readings on the ammeters. V₁ and V₂ are the readings on the voltmeters.

Which of the following correctly describes the ammeter and voltmeter readings?

Ammeter readings Voltmeter readings

• A₁ is less than A₂ V₁ is less than V₂

• A₁ is less than A₂ V₁ is greater than V₂

• A₁ is equal to A₂ V₁ is less than V₂

• A₁ is equal to A₂ V₁ is equal to V₂