Electrical & Electronics CH2

What does Ohm's Law state?

• Voltage is directly proportional to current

• Voltage is directly proportional to resistance

• Current is directly proportional to resistance

• Resistance is directly proportional to voltage

• 12 mA

• 0.8 mA

• 8 A

• 1A

In a series circuit, the total resistance is calculated by:

• Dividing all individual resistances

• Multiplying all individual resistances

• Adding all individual resistances

• Subtracting all individual resistances

In a parallel circuit, the total resistance is calculated by:

• Adding reciprocals of individual resistances

• Subtracting individual resistances

• Dividing individual resistances

• Multiplying individual resistances

What does Kirchhoff's Current Law state?

• The sum of voltages around a loop is infinite

• The sum of currents at a node is infinite

• The sum of voltages around a loop is zero

• The sum of currents at a node is zero

What does Kirchhoff's Voltage Law state?

• The sum of currents at a node is zero

• The sum of voltages around a loop is zero

• The sum of currents at a node is infinite

• The sum of voltages around a loop is infinite

• 9 ohms

• 5 ohms

• 6 ohms

• 10 ohms

• 21 ohms

• 12 ohms

• 31 ohms

• 15 ohms

How is the total resistance in a parallel circuit affected when a new resistor is added in parallel?

• Decreases

• Increases

• Remains the same

• Depends on the value of the new resistor

• 1 ohm

• 2 ohms

• 3 ohms

• 4 ohms