Kirchhoff - Study guides, Class notes & Summaries

AC-HPAT Physics Exam (Latest 2025 / 2026) | Questions and Answers | 100% Correct | Grade A - Algonquin Question: Kirchhoff's Laws Answer: Kirchhoff's Laws provide two fundamental rules for analyzing more complex circuits: 1. Kirchhoff's Current Law (KCL): The sum of the currents entering a junction (or node) in a circuit is equal to the sum of the currents leaving that junction. This is based on the principle of conservation of charge. ∑I_in = ∑I&lt...

MECP PRACTICE EXAM QUESTIONS & ANSWERS 2024/2025 To find voltage drops on Amplifier grounds, what setting should be used on the DMM while loading down and testing between the amplifier ground and the vehicles chassis ground point? - ANSWERSDC volts If an insufficient ground in an amplifier and is measured under load (i.e. While typical current is flowing), it will show a difference of potential between which points listed? - ANSWERSBetween the (-) negative battery post and the (-) negati...

How many amps of current would flow through the circuit in the figure provided? - Answer 4.14 The total resistance of equal resistors in parallel, each with a value off 10 ohms, is - Answer 2.5 The voltage across the parallel resistors shown in the figure provided is - Answer 100v According to Kirchhoff's voltage law, the total voltage drop in a circuit is equal to the - Answer voltage applied to the circuit The total voltage in a circuit with voltage drops of 30V, 40V...

Electrical Systems Exam 1 Questions Correctly Answered. Amp - CORRECT ANSWER the measurement of electric current or flow of electrons Volt - CORRECT ANSWER the measurement of electromotive force or potential difference Ohm - CORRECT ANSWER the measurement of resistance to the flow of electricity Watt - CORRECT ANSWER the measurement of energy used per unit of time Power vs Energy - CORRECT ANSWER power is the rate of consuming energy at a specific moment Energy = power * ...

A series circuit has three resistors of 4 ohms each. The voltage drop across each resistor is 4 volts. Technician A says that the source voltage is 12 volts. Technician B says that the total resistance is 18 ohms. Which technician is correct? Tech A Tech B Both Neither → Tech A A vehicle has four parking lights all connected in parallel and one of the bulbs burns out. Technician A says that this could cause the parking light fuse to blow (open). Technician B says that it would de...

Which statement is NOT true about a loop? (Kirchhoffs Law) -Correct Answer A loop can be traced in only one direction Kirchhoff's Voltage Law States? -Correct Answer In a loop, the algebraic sum of the voltage drops and voltage sources equals zero Kirchhoffs Current Law States? -Correct Answer The sum of current into a point equals the sum of the currents out To indentify a complex circuit, look for a circuit where... -Correct Answer Charge tries to flow into two directions Substi...

To read low currents, its okay to wrap wire around the jaws of an ammeter to multiply reading? - ANSWERYes What does Kirchhoff's voltage law state? - ANSWERThe sum of the voltage drops, in a series circuit, is equal to the applied voltage. Draw a Wye or Star configured three phase transformer with a 480 volt line. - ANSWER What does the acronym "ELI" stand for? - ANSWERThat voltage leads current If you have a 40 VA transformer with a 24 volt secondary, what size fuse is need...

The voltage drop across the parallel resistors shown in the figure is? - Answer 17.3 volts What is the total resistance of the circuit in the figure? - Answer 24.17 ohms How many amps of current would flow through the circuit in the figure? - Answer 4.14 What is the total resistance of the three resistors in parallel with values of 2 ohms, 8 ohms, and 14 ohms? - Answer 1.44 ohms What is the resistance of a light bulb that uses 15 watts of power when placed across a 15-vol...

NCEA Electricity level 3 Exam Questions And Answers 100% Guaranteed Pass. Internal Resistance - AnswerThe internal resistance of a source is the loss of potential difference per unit current in the source when current passes through a source. It is the resistance encountered by a current as it passes through a battery. Gradient of current vs voltage graph. The internal resistance will increase as the products of the reaction in the cells build up. EMF - AnswerThe potential difference acros...

Which statement is NOT true about a loop? (Kirchhoffs Law) -CORRECT ANSWER-A loop can be traced in only one direction Kirchhoff's Voltage Law States? -CORRECT ANSWER-In a loop, the algebraic sum of the voltage drops and voltage sources equals zero Kirchhoffs Current Law States? -CORRECT ANSWER-The sum of current into a point equals the sum of the currents out To indentify a complex circuit, look for a circuit where... -CORRECT ANSWER-Charge tries to flow into two directions Substite...