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AQA A Level Physics - Quantum Phenomena Exam Questions A+

AS level Physics - AQA A exam questions & answers Acceleration - ANSWERSThe rate of change of velocity Accurate result - ANSWERSA result that is close to the true answer Apha decay - ANSWERSA type of decay in which an unstable nucleus of an atom emits an alpha particle Alternating current - ANSWERSA current that changes with time in a regular cycle Ammeter - ANSWERSA component used to measure the current flowing through a circuit Amplitude - ANSWERSThe maximum displacement of...

AQA A Level Physics particles Exam Questions & Answers Rest Mass of Proton in eV and MeV - ANSWERS938 x 10^-6 eV and 938MeV Rest Mass of Electron in eV and MeV - ANSWERS0.51 x 10^-6 and 0.51MeV Definition of Isotope - ANSWERSSame Proton Number and Different Nucleon Number Mass of Proton/Neutron and Electron - ANSWERS1.67x10^-27 and 9.11x10^-31 Specific Charge Equation - ANSWERSCharge of Proton x Amount of Protons/Mass of Amount of Nucleons - Charge/Mass Definition of Strong N...

AQA A Level Physics Paper 3 Section 1 Exam Questions & Answers What is a set square used for? (5 uses) - ANSWERSA set square is a right-angled triangle used to: - Determine whether an object is vertical, - Determine whether two objects are at right angles to each other, - Determine whether two lines are parallel, - Measure the diameter of a circular cross-section (using 2 set squares and a ruler), - Make sure your eyes are level (reducing parallax error). NB: similar to a set square...

AQA A level Physics Mechanics exam questions & answers

AQA Physics A Level Exam Questions & Answers

Physics paper 3 practical A-level AQA exam questions & answers name the SI base units - ANSWERSmetre - m kilogram - kg second - s ampere - A kelvin - K mole - mol candela - cd what are random errors, how do they arise and how can they be reduced? - ANSWERSthey cause readings to randomly fluctuate about the mean affecting precision due to observational or reading errors or due to the environment e.g varying temperature or supply voltage you cannot reduce random error but yo...

aqa a level physics paper 2 questions & answers

FE Electrical Exam Questions & Answers define Enthalpy - ANSWERStotal energy of a system Which of the following is true of the electric field intensity about an isolated point charge? A. It varies directly as the distance to the charge. B. It varies inversely as the distance to the charge. C. It varies directly as the square of the distance to the charge. D. It varies inversely as the square of the distance to the charge. - ANSWERSD. It varies inversely as the square of the distan...

Electrical 1 Final Study Test Questions & Answers To discharge capacitors before working on de-energized circuits, use a safety ___________ probe. - ANSWERSSafety Shorting Probe Assume that any facility constructed before 1980 contains ___________. - ANSWERSAsbestos Any power source exceeding __________ volts is considered high voltage. - ANSWERS600 Volts How often should you inspect insulating gloves? - ANSWERSBefore each use The normal beating of the heart can be upset by an e...

Electrical Test Study Questions & Answers As blower motor speed decreases the voltage drop across the resistance block.... - ANSWERSincreases What should you do first when replacing junction block or fuse? - ANSWERSUnlock the battery ground cable The polarity of the voltage applied to the electromagnetic coils of an actual working DC motor is.... - ANSWERSa commutator When performing a volt drop test the volt meter setting should be set to the following.. - ANSWERS3 volts The sy...

ETCP Electrical Exam Questions & Answers Cable Pick - ANSWERSLength = A + B - C Passive Load - ANSWERSA load in which the resistance doesn't change if the applied voltage changes. Active Load - ANSWERSA load in which the power consumed doesn't change if the applied voltage changes. Servicing Chain Motor - ANSWERSCheck Voltage to Coil Meg-ohm meter (commonly called a megger) - ANSWERSDevice for testing the effectiveness of insulation Cold Filament - ANSWERSLow Resistance...

Automotive electrical exam questions & answers if voltage is increased and resistance remains the same - ANSWERSamp will increase switches can - ANSWERScontrol multiple circuits at a time Ac motors are not - ANSWERSused alot in cars dc motors can be used to - ANSWERSoperate power windows a fuse will blow if - ANSWERSit is short to ground voltage is - ANSWERSelectromotive force voltage drop is - ANSWERSThe loss of electric potential while passing through a circuit dmm is...

Electrical Study Guide Exam Questions & Answers 240 volt to ground, 200 amp panel in condition 3 needs a minimum front clearance of _________ feet? - ANSWERS4 What is the minimum clearance in front of a service panel? - ANSWERS3 feet The width of the 120/240 volt panel working area shall be a minimum of ___ feet, and the door shall be able to open to at least 90 degrees? - ANSWERS2 1/2 Manhole covers shall have a minimum weight of? - ANSWERS100 lbs A 240 volt boat hoist receptac...

Electrical Exam 1 Questions & Answers What is Ohm's Law? - ANSWERSThe relationship between voltage, current, & resistance in a circuit. What is the equation for voltage, current and resistance? - ANSWERSVoltage - V=IxR Current - I=V/R Resistance - R=V/I Compare the voltage/current relationship with the current/resistance relationship - ANSWERSVoltage/current- When resistance is constant, voltage and current are proportional to each other Current/resistance- When voltage is const...

NOCTI Electrical Exam Questions & Answers

Electrical Exam Questions with 100% Correct Answers Basic protection is provided by - ANSWERSBarriers Fault protection is provided by - ANSWERSProtective earthing Max voltage drop for 230v - ANSWERS11.5 An RCD Protects against - ANSWERSEarth faults Max disconnection time for a TN circuit - ANSWERS0.4s RCDs are not required for - ANSWERSLabelled socket outlets for freezers When doing insulation resistance test on ref unit what should be disconnected - ANSWERSStart capacitor...

Electrical level 2 test 1 questions & answers

Electrical Safety Exam Study Questions & Answers

Electrical Systems Final Exam Questions & Answers Materials that allow electricity to flow through them easily such as copper are called - ANSWERSConductors Materials that don't allow electricity to flow through them easily are called - ANSWERSInsulators This is the measurement of electric current or flow of electrtons - ANSWERSAmpere This is the measurement of electromotive force or potential difference - ANSWERSVolts This is the measurement of resistance to the flow of elec...