1.1.5 Circuit Theory Laws

What are the key components to review in circuit theory laws?

• Voltage, Current, and Resistance

• Capacitance, Inductance, and Reactance

• Power, Energy, and Efficiency

• Frequency, Wavelength, and Amplitude

Ohm's Law is a fundamental principle in electronics. Which of the following best describes its application?

• It relates voltage, current, and resistance in an electrical circuit.

• It describes the magnetic effect of electric current.

• It explains the behavior of capacitors in a circuit.

• It defines the power consumption in an electrical device.

The current in a SERIES circuit is:

• The same at all points

• Different at each point

• Zero

• Dependent on the resistance

What is the resistance in a SERIES circuit?

• The sum of the individual resistances

• The product of the individual resistances

• The reciprocal of the sum of the reciprocals of the individual resistances

• The average of the individual resistances

How is voltage distributed in a SERIES circuit?

• Voltage is the same across all components.

• Voltage is divided among the components.

• Voltage is only present at the first component.

• Voltage is only present at the last component.

In a PARALLEL circuit, how does the current behave?

• The current is the same through all components.

• The current divides among the parallel branches.

• The current is zero in all branches.

• The current is maximum in the first branch.

What is the resistance in a PARALLEL circuit?

• It is the sum of the reciprocals of the individual resistances.

• It is the sum of the individual resistances.

• It is the product of the individual resistances.

• It is the difference between the highest and lowest resistance.

How is voltage distributed in a PARALLEL circuit?

• Voltage is the same across all components.

• Voltage is divided among the components.

• Voltage is zero across all components.

• Voltage varies randomly across components.

Kirchhoff’s Current Law is applied in which of the following ways?

• It states that the total current entering a junction equals the total current leaving the junction.

• It states that the total voltage around a closed loop equals zero.

• It states that the power consumed in a circuit is equal to the power supplied.

• It states that the resistance in a circuit is directly proportional to the voltage.

Fill in the blank: A direct mathematical relationship exists between voltage, resistance, and ______ in all electronic circuits.

• current

• power

• capacitance

• inductance